McMaster-Carr

Choose a Category

	Type Type


Cap	Plug

Adapter	Flange

Connector

	Material Material

	Pipe Size Pipe Size

1/16
1/8
1/4
3/8
1/2
5/8
3/4
1
1 1/4
1 1/2
2
2 1/2
3
3 1/2
4
5
6
8
10
12

	Thread Type Thread Type

BSPP

BSPT

Chicago Fire
Department

	For Shape For Shape


Round	Rectangle

Square	Angle

Corner	DIN Rail

Hex

	Connection Style Connection Style

	Color Color

	Black
	Red
	Gray
	Blue
	Yellow
	White
	Orange
	Beige
	Green
	Green/Yellow
	Clear
	Off-White
	Brown
	Dark Blue
	Dark Brown
	Dark Gray
	Dark Green
	Dark Red
	Light Brown
	Light Gray
	Olive
	Pink
	Purple
	Semi-Clear
	Silver
	Tan

	Drive Style Drive Style


External Hex	Hex

External Square	Square

External 12- Point	Slotted

	Shape Shape

	For Use With For Use With

	Plug Type Plug Type


Push In	Snap In

Locking	End

Screw In	Pull Through

Expandable	Tamper Evident

Three Prong	Two Prong

	System of Measurement System of Measurement

Metric

Inch

	For OD For OD

0.053" to 0.12"

1/16" to 1/8"

0.079" to 0.15"

0.111" to 0.177"

1/8" to 3/16"

3/16" to 1/4"

3/16" to 1/2"

0.205" to 0.273"

0.235" to 0.302"

1/4" to 5/16"

1/4" to 1/2"

0.298" to 0.365"

5/16" to 3/8"

0.327" to 0.394"

0.356" to 0.422"

3/8" to 7/16"

3/8" to 7/8"

3/8" to 1"

0.385" to 0.451"

0.409" to 0.485"

0.468" to 0.545"

0.487" to 0.568"

1/2" to 9/16"

0.518" to 0.605"

0.613" to 0.693"

5/8" to 11/16"

21/32" to 1 3/8"

0.663" to 0.761"

0.687" to 0.785"

0.74" to 0.849"

3/4" to 13/16"

0.753" to 0.868"

7/8" to 15/16"

7/8" to 1 3/8"

7/8" to 2 1/4"

0.893"

0.901" to 1.027"

0.933" to 1.083"

1" to 1 1/16"

1 1/32" to 2 5/32"

1 1/16" to 1 1/8"

1.085" to 1.358"

1 1/8"

1 1/8" to 1 3/16"

1.143"

1.169" to 1.437"

1.173" to 1.298"

1 3/16" to 1 1/4"

1.249" to 1.402"

1 1/4" to 1 5/16"

1.282" to 1.445"

1 3/8" to 1 7/16"

1 7/16" to 2 15/16"

1.463"

1.478"

1.498" to 1.62"

1 1/2"

1 1/2" to 1 9/16"

1 1/2" to 5"

1 1/2" to 8"

1.568" to 1.688"

1 5/8" to 1 11/16"

1.688" to 1.818"

1.718" to 1.888"

1 3/4"

1 3/4" to 1 13/16"

1.781" to 1.938"

1.837" to 2.013"

1 7/8" to 1 15/16"

1.953" to 2.085"

2" to 2 1/16"

2.063" to 2.377"

2.074" to 2 1/4"

2 1/8" to 2 3/16"

2.235" to 2.401"

2 1/4"

2 1/4" to 2 5/16"

2 1/4" to 11"

2.313"

2.333" to 2.54"

2 3/8"

2 3/8" to 2 7/16"

2.395" to 2.688"

2 1/2"

2 1/2" to 2 9/16"

2.579" to 2.728"

2 5/8" to 2 11/16"

2.656" to 2.926"

2.685" to 2.947"

2 3/4"

2 3/4" to 2 13/16"

2.787" to 2.918"

2.792"

2.8"

2 7/8"

2 7/8" to 16"

2.912" to 3.175"

3" to 3 1/16"

3.02" to 3.3"

3 1/8" to 3 3/16"

3.2" to 3.492"

3 1/4"

3 1/4" to 3 5/16"

3.41" to 3.54"

3.411"

3.48" to 3.66"

3 1/2"

3 1/2" to 3 9/16"

3 5/8"

3 5/8" to 3 11/16"

3 5/8" to 17"

3.71" to 3.84"

3.86" to 4"

3.94" to 4.07"

4" to 4 1/16"

4 1/8"

4.29" to 4.54"

4.37" to 4.62"

4 3/8" to 24"

4.412"

4 1/2"

4 3/4"

4 3/4" to 4 13/16"

4.92" to 5.1"

5.21" to 5.37"

5.49" to 5.67"

5 1/2"

5 9/16"

5.92" to 6.1"

6 3/16"

6.33" to 6.49"

6.53" to 6.63"

8.67" to 8.73"

4 to 5 mm

5 to 6 mm

6 to 7 mm

8 mm

8 to 9 mm

9 to 10 mm

10 mm

10 to 11 mm

11 to 12 mm

12 mm

12 to 13 mm

13 to 15 mm

14 mm

14 to 16 mm

15 to 17 mm

16 mm

16 to 18 mm

17 to 19 mm

18 to 20 mm

20 to 22 mm

24 to 26 mm

	Gender Gender

Male

Female

	Maximum Temperature Maximum Temperature

	Cap Type Cap Type


Push On	Screw On

Shrink Fit	Stretchable

Adhesive Back	Snap On

Weld On

	Maximum Pressure Maximum Pressure

	For ID For ID

0.025"-0.08"

1/32"-3/64"

1/32"-3/32"

1/32"-1/8"

3/64"-1/16"

3/64"-7/64"

3/64"-13/64"

0.05"-0.08"

1/16"

1/16"-5/64"

1/16"-11/64"

1/16"-13/64"

0.07"-0.11"

5/64"-1/16"

5/64"-7/64"

5/64"-1/8"

5/64"-11/64"

3/32"

0.1"-0.15"

7/64"-9/64"

7/64"-5/32"

0.116"-0.182"

1/8"

1/8"-1/2"

0.14"-0.21"

0.14"-0.275"

9/64"-3/16"

9/64"-15/64"

9/64"-23/64"

0.15"

5/32"

5/32"-13/64"

0.16"-0.275"

11/64"-15/64"

3/16"

3/16"-1/4"

0.19"-0.3"

0.19"-0.32"

13/64"-9/32"

13/64"-21/64"

7/32"

7/32"-19/64"

0.22"-0.33"

0.22"-0.37"

0.236"-0.302"

0.24"-0.295"

1/4"

1/4"-9/32"

1/4"-7/16"

17/64"-5/16"

17/64"-23/64"

17/64"-3/8"

17/64"-27/64"

0.27"-0.4"

9/32"

9/32"-23/64"

9/32"-25/64"

0.29"

19/64"-21/64"

0.299"-0.365"

0.31"-0.33"

5/16"

21/64"-7/16"

21/64"-31/64"

21/64"-1/2"

0.33"-0.396"

0.34"-0.45"

11/32"

11/32"-3/8"

11/32"-13/32"

11/32"-15/32"

11/32"-1/2"

23/64"-29/64"

0.361"-0.418"

0.361"-0.427"

3/8"-27/64"

25/64"-19/32"

13/32"-19/32"

0.419"-0.485"

27/64"-29/64"

27/64"-37/64"

7/16"

7/16"-35/64"

0.44"

29/64"-31/64"

29/64"-37/64"

29/64"-39/64"

29/64"-43/64"

0.46"-0.57"

15/32"

15/32"-17/32"

0.471"-0.536"

0.471"-0.547"

31/64"-35/64"

1/2"

1/2"-37/64"

1/2"-21/32"

0.51"

33/64"-19/32"

33/64"-41/64"

33/64"-45/64"

17/32"

17/32"-39/64"

17/32"-11/16"

0.532"-0.608"

35/64"-41/64"

35/64"-3/4"

0.55"-0.631"

0.56"

9/16"

9/16"-5/8"

37/64"-11/16"

37/64"-47/64"

0.58"-0.667"

0.59"-0.7"

19/32"

19/32"-43/64"

19/32"-45/64"

39/64"

39/64"-23/32"

0.61"-0.7"

5/8"

5/8"-45/64"

5/8"-23/32"

0.64"-0.727"

41/64"-23/32"

41/64"-49/64"

41/64"-25/32"

41/64"-51/64"

21/32"

0.66"

43/64"-23/32"

43/64"-47/64"

43/64"-49/64"

43/64"-25/32"

11/16"

0.69"-0.788"

0.71"-0.82"

23/32"

23/32"-53/64"

23/32"-15/16"

47/64"-53/64"

47/64"-7/8"

47/64"-59/64"

0.74"-0.83"

3/4"

3/4"-0.848"

3/4"-1"

49/64"-57/64"

49/64"-29/32"

0.787"

51/64"-59/64"

51/64"-15/16"

51/64"-31/32"

51/64"-1"

51/64"-1 1/64"

13/16"

0.82"

53/64"-31/32"

53/64"-63/64"

0.84"-0.95"

27/32"

27/32"-1 7/32"

0.86"

0.866"-0.975"

7/8"

7/8"-1"

57/64"-31/32"

29/32"

29/32"-1 1/16"

0.915"-1.04"

59/64"-1"

59/64"-1 3/64"

15/16"

61/64"-1 1/64"

61/64"-1 3/64"

61/64"-1 5/64"

61/64"-1 3/32"

0.96"-1.05"

0.96"-1.07"

0.964"-1.09"

31/32"

63/64"-1 3/64"

0.99"-1.08"

1"-1 1/8"

1 1/32"

1 1/32"-1 1/4"

1.04"

1 3/64"-1 11/64"

1 3/64"-1 1/4"

1 1/16"

1 1/16"-1 3/16"

1 1/16"-1 21/64"

1 5/64"-1 13/64"

1 5/64"-1 7/32"

1 5/64"-1 21/64"

1.09"-1.2"

1 3/32"

1.094"-1.215"

1 7/64"-1 19/64"

1 1/8"

1 1/8"-1 7/32"

1 9/64"-1 13/32"

1 5/32"

1 11/64"-1 19/64"

1.175"-1.284"

1 3/16"

1 3/16"-1 7/16"

1 3/16"-1 29/64"

1.21"-1.3"

1 7/32"

1 7/32"-1 3/8"

1.23"-1.33"

1 15/64"-1 27/64"

1 15/64"-1 17/32"

1 1/4"

1 1/4"-1 5/16"

1 17/64"-1 31/64"

1.29"

1 19/64"-1 27/64"

1 19/64"-1 1/2"

1.312"-1.465"

1 5/16"-1 39/64"

1 5/16"-1 5/8"

1 21/64"-1 35/64"

1 21/64"-1 9/16"

1 21/64"-1 19/32"

1.34"-1.45"

1 11/32"-1 1/2"

1 23/64"-1 9/16"

1.36"-1.45"

1 3/8"

1 27/64"-1 35/64"

1 27/64"-1 11/16"

1 7/16"

1 29/64"-1 5/8"

1.46"-1.55"

1 15/32"

1 15/32"-1 5/8"

1 15/32"-1 3/4"

1 15/32"-1 49/64"

1 31/64"-1 3/4"

1.49"-1.58"

1 1/2"

1 1/2"-1 37/64"

1 1/2"-1 11/16"

1 1/2"-1 51/64"

1.513"-1.6"

1 33/64"-1 23/32"

1 17/32"-1 45/64"

1 35/64"-1 43/64"

1 35/64"-1 3/4"

1.56"-1.682"

1.59"-1.68"

1.59"-1.7"

1 19/32"-1 3/4"

1 5/8"

1 41/64"-1 61/64"

1 21/32"-1 15/16"

1 21/32"-1 31/32"

1 43/64"-1 13/16"

1.7"

1 45/64"-1 29/32"

1 23/32"-1 7/8"

1 23/32"-1 59/64"

1.74"-1.83"

1 3/4"

1 3/4"-1 13/16"

1 3/4"-1.88"

1.781"-1.805"

1 25/32"-2 5/64"

1 51/64"-1 59/64"

1 13/16"-2 1/64"

1 53/64"-2 1/32"

1.84"-1.93"

1.84"-1.95"

1.86"-1.99"

1.865"-1.975"

1 7/8"

1 57/64"-2 3/16"

1 57/64"-2 13/64"

1 29/32"-2 9/64"

1 59/64"-2 3/64"

1 59/64"-2 5/32"

1 15/16"-2 5/32"

1 31/32"

1 31/32"-2 15/32"

1.975"-2.132"

1 63/64"-2 15/32"

1.99"-2.08"

2"-2 13/32"

2 1/64"-2 13/32"

2 3/64"-2 11/64"

2.067"-2.243"

2.11"-2.2"

2 9/64"-2 1/2"

2 9/64"-2 33/64"

2 5/32"-2 7/16"

2 11/64"-2 19/64"

2 11/64"-2 15/32"

2 3/16"-2 29/64"

2 7/32"-2 1/4"

2.23"-2.26"

2 1/4"

2 19/64"-2 27/64"

2 19/64"-2 21/32"

2.298"-2.464"

2 5/16"-2 21/32"

2 21/64"-2 5/8"

2.34"-2.43"

2.395"-2.602"

2 27/64"-2 35/64"

2 29/64"-2 1/2"

2 29/64"-2 15/16"

2 29/64"-2 61/64"

2 15/32"-2 57/64"

2 31/64"-2 7/8"

2 1/2"

2.5"-2 7/8"

2 35/64"-2 43/64"

2.614"-2.79"

2 5/8"

2 43/64"-2 13/16"

2 3/4"

2 51/64"-2 59/64"

2.81"-2.88"

2.849"-2.98"

2 59/64"-3 3/64"

2 61/64"-3 17/32"

2.975"-3.103"

3"-3.375"

3"-3 15/32"

3 1/64"-3 17/32"

3 3/64"-3 11/64"

3 3/64"-3 7/16"

3.14"-3.28"

3 17/64"-4 1/32"

3.27"-3.562"

3 9/32"-4 3/64"

3 19/64"-3 15/16"

3.325"-3.457"

3 11/32"-3 15/16"

3 3/8"

3.47"-3.6"

3 1/2"

3.5"-3.875"

3 33/64"-4 63/64"

3.52"-3.67"

3 35/64"-4 15/16"

3 35/64"-5"

3 19/32"-4 7/8"

3.73"-3.87"

3.75"-4.125"

3.79"-3.92"

4"-4.375"

4.02"-4.14"

4 3/64"-4 15/16"

4.25"-4.625"

4.27"-4.43"

4 19/64"-5 9/64"

4.34"-4.51"

4.5"-4 7/8"

4.75"-5"

4 51/64"-5 47/64"

4.99"-5.2"

5"-5.375"

5 3/64"-6 1/16"

5.5"-5.875"

6"-6.375"

6.25"-6.5"

6.4"-6.56"

6.5"-6.875"

7.97"-8.14"

15-16mm

16-18mm

19-20mm

21-22mm

23-24mm

25-26mm

27-28mm

29-30mm

31-32mm

32mm

33-34mm

34mm

	Profile Profile


Straight	Tapered

	Connection Type Connection Type

Quick-Disconnect Clamp

Interlocking Bracket

Slide On

Quarter-Turn Bayonet

	For Pipe Material For Pipe Material

	Length Length

	Specifications Met Specifications Met

3-A Sanitary Certified

ANSI

ANSI/ASME

ANSI/MSS

CSA

DIN

FDA Compliant

Fed. Spec.

International Fuel Gas
Code

ISO

JIS

Mil. Spec.

MSS

National Standard
Plumbing Code

NSF/ANSI

OSHA

SAE

Soil Conservation Service

Uniform Mechanical Code

UPC

USP

VDE 0680-1

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6,613 Products

Caps

Round Caps

Slide these flexible vinyl caps on and they conform for a snug fit.

Domed Round Caps

The large domed head extends beyond the diameter of your pipe, rod, or tubing for added protection.

Heavy Duty Round Caps

Made of rigid plastic, these caps are more wear resistant than vinyl caps but not as flexible.

Metal Round Caps

More durable than plastic caps, these provide the most protection from abrasion and impact.

Sure-Grip Round Caps

A long, textured pull tab provides a sure grip for quick removal even when wearing gloves.

Roll-Resistant Round Caps

Commonly used on shipping tubes, these caps have a square head to prevent round objects from rolling during shipping and storage.

Tethered Round Caps

The tethered design allows frequent access to the ends of pipe, tubing, and other round objects without ever misplacing the cap.

Hanging Round Caps

Slide these caps over a tool handle or other round object and use the eye to hang it.

Food-Grade Round Caps

Made of FDA listed materials, these caps are suitable for food contact.

Conductive Round Caps

With a surface resistivity of less than 10⁵ ohms, these caps not only dissipate electrical charges, but can be used as an electrical shield.

Antistatic Round Caps

Keep equipment safe from electrical currents with these caps that have a surface resistivity of less than 10¹² ohms.

High-Temperature Round Caps

Good for electroplating, paint baking, and powder-coating applications, these caps withstand temperatures up to 440° F or 570° F.

Chemical-Resistant Round Caps

These caps have excellent chemical resistance for masking parts during chemical finishing applications such as plating and anodizing.

Rectangular Caps

Slide these flexible vinyl caps onto rectangular objects and they conform for a snug fit.

Tapered Caps

These flexible plastic caps are tapered to fit a variety of unthreaded and threaded objects.

Tapered Cap Assortments

Keep tapered caps of various sizes on hand to solve whatever problems arise. These flexible plastic caps are tapered to fit a variety of unthreaded and threaded objects.

High-Temperature Tapered Caps

Made of silicone, these caps withstand temperatures of 450° F for electroplating, paint-baking, and powder-coating applications. All of these flexible caps are tapered to fit a variety of unthreaded and threaded objects.

Heavy Duty Square Caps

Made of rigid plastic, these caps are more wear resistant than vinyl caps but not as flexible.

Square Caps

Slide these flexible vinyl caps on and they conform for a snug fit.

Corner Caps

Guard the corners of fragile materials such as glass and mirrors.

Heavy Duty Angle Caps

Made of rigid plastic, these caps provide more wear resistance to the ends of angle iron than vinyl caps but are not as flexible.

Angle Caps

Place these flexible vinyl caps over the ends of your angle iron and they conform for a snug fit.

Threaded Caps

Protect externally threaded components from contaminants during fabrication and storage.

Stretchable Elastic Caps

Similar to a shower cap, these caps have an elastic band that allows them to stretch and cover a variety of shapes in a range of sizes.

Stretchable Sealing Caps

Unroll these caps onto the tips of cartridges, spouts, and bottles for an airtight seal.

Heat-Shrink Round Caps

Permanently seal pipe, tubing, conduit, and even crimped electrical connections. Slide these flexible caps on and use a heat gun to tightly shrink them to the shape of whatever they are covering. Their outer surface shrinks while the inner wall flows into voids to create a sealed connection.

Squeeze Top Caps

Squeeze the dome top to remove these caps. They're commonly used as thread protectors.

High-Visibility Pull-Tab Caps

A vibrant yellow color makes these caps stand out. They are made of flexible rubber that conforms for a snug fit. Pull the tab for easy removal.

Propane Tank Tear-Tab Caps

Designed for propane tanks such as those on forklifts and grills, these caps protect tank valves during storage and transit. Push the caps onto the valves, then tear their tab to break the seal for easy removal.

Tear-Tab Caps

Push these caps onto pipe and fittings, then tear their tab to break the seal for easy removal.

Flexible Pull-Tab Caps

Slide these flexible vinyl caps on and they conform for a snug fit. Pull the tab for easy removal.

Rigid Pull-Tab Caps

Made of rigid plastic, these caps are more wear resistant than vinyl and rubber caps but not as flexible. Pull the tab for easy removal.

Rebar Caps

Keep personnel safe from protruding rebar and pipe. Made of rigid plastic, these durable safety caps are bright orange or yellow for excellent visibility.

Stacking Caps and Targets

Weld these caps and targets to the ends of posts to create stackable shelving and racking systems.

USB Caps

Shield USB connectors from damage, contaminants, and moisture when they are not being used.

Capacitor Caps

Also known as capacitor boots, these caps protect capacitors and wire connections from damage to extend their service life. They also insulate wire terminal connections to help reduce accidental shocks.

Fastener Caps

Threaded Standoff Caps

Give open-ended standoffs a finished look and protect them from dirt and debris.

Hex Nut Caps

Sized to fit hex nuts, these caps snap on for a tight hold and provide protection from corrosion.

Hinged Fastener Caps

A one-piece hinged design allows frequent access to screw heads without misplacing the top. To conceal and protect the entire screw head, insert your screw through the hole in the base and flip the hinged top over.

Screw Caps

Conceal and protect the tops of socket head or button head screws.

Snap-On Fastener Caps

To conceal and protect the entire screw head, insert your screw through the hole in the base and snap on the top.

Flange Caps

Stretchable Flange Caps

Stretch these caps over flared edges such as flanged tubing and valve handles.

Flange Caps

Snap these caps into flange bolt holes to safeguard pipe flanges during shipping, storing, and finishing applications. They all have a thick center pad to protect the flange opening and pipe threads from damage.

Adhesive-Back Flange Caps

Stick these caps on the raised surfaces of flanges or other flat surfaces for extra protection during transport and storage.

DIN Rail Caps

Guard the edges of DIN rail from damage and create a finished look.

Panel Plugs

Vented Locking Panel Plugs

Vents in the top allow air circulation and permit heat and fumes to escape. All of these plugs have wings that expand against the sides of the hole to lock them in place.

Plastic Snap-In Panel Plugs

Tapered prongs or a snap-in ring securely hold these plugs in place.

Metal Snap-In Panel Plugs

Made of steel, these are our most durable plugs for panels. Tapered prongs snap into the hole to securely hold them in place.

Metal Snap-In Panel
Plug Assortments

Keep metal snap-in plugs of various sizes on hand to solve whatever problems arise. Made of steel, these plugs are our most durable plugs for panels. Their tapered prongs snap into holes to securely hold them in place.

Locking Panel Plugs

The wings on these plugs expand against the sides of a hole to lock them in place.

Vented Snap-In Panel Plugs

Vents in the top allow air circulation and permit heat and fumes to escape. These plugs have tapered prongs that snap into the hole to securely hold them in place.

Clear Locking Panel Plugs

These plugs are see-through to provide visibility and light transmission. They have wings that expand against the sides of the hole to lock them in place.

Sealing Panel Plugs

The wings on these plugs expand against the sides of a hole to form a liquid-tight seal. Pierce the plugs with round wire, cable, or tubing and they function as a grommet to create insulated holes.

Push-In Panel Plugs

Push these plugs into place for a finished appearance on both sides of a panel.

Ethernet Port Plugs

Shield unused RJ45 type ports on computers and other electronic equipment from debris and moisture.

Expansion Plugs for Castings

Also known as freeze plugs, these are commonly used to permanently seal the shallow holes left in a component during the casting process.

Hydraulic Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components.

Fixture Plate Chip Plugs

Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines.

Tapered Plugs

Hollow Tapered Plug Assortments

Keep hollow tapered plugs of various sizes on hand to solve whatever problems arise. The hollow construction allows these plugs to compress for a snug fit in threaded and unthreaded holes of varying diameters.

Expandable High-Temperature
Tapered Plugs

Place a plug into an opening and tighten the wing nut—the sides expand to create a seal in holes of varying diameters. Good for paint baking and powder-coating applications, these plugs withstand temperatures up to 450° F.

Chemical-Resistant Tapered Plugs

These plugs have excellent chemical resistance for masking parts during chemical finishing applications such as plating and anodizing. Their tapered design fits a range of hole diameters.

Miniature Tapered Plugs

Sized to fit small openings, these tiny plugs fit snugly but can be removed easily using the flange. Their tapered design fits a range of hole diameters.

Miniature High-Temperature
Tapered Plugs

Sized to fit small openings, these tiny plugs fit snugly but can be removed easily using the flange. They withstand temperatures up to 470° F, which makes them good for electroplating, paint baking, and powder-coating applications. All are tapered to fit a range of hole diameters.

Expandable Tapered Plugs

Place a plug into an opening and tighten the wing nut—the sides expand to create a seal in holes of varying diameters.

Hollow Tapered Plugs

The hollow construction allows these plugs to compress for a snug fit in threaded and unthreaded holes of varying diameters.

Pull-Ring Tapered Plugs

Pull the two built-in rings to quickly remove these plugs. All are tapered to fit a range of hole diameters.

Tapered Plugs

Often used as laboratory stoppers, these rubber plugs have good impact and abrasion resistance. They’re tapered to fit a range of hole diameters.

Corks

Lightweight and moisture resistant, these plugs are laboratory-grade 100% natural cork. They’re tapered to fit a range of hole diameters.

High-Temperature Tapered Plugs

Good for electroplating, paint baking, and powder-coating applications, these plugs withstand temperatures up to 570° F. All are tapered to fit a range of hole diameters.

Hollow High-Temperature
Tapered Plugs

The hollow construction allows these plugs to compress for a snug fit in threaded and unthreaded holes of varying diameters. Good for electroplating, paint baking, and powder-coating applications, they withstand temperatures up to 450° F.

Tamper-Evident Tapered Plugs

Often used on gas cylinders, these plugs cinch and lock tightly around valve heads to block the ports—they must be cut off making it clear if the cylinder has been tampered with. The plugs are tapered to fit a range of hole diameters.

Food-Grade Tapered Plugs

Made of FDA listed materials, these plugs are suitable for food contact. They're tapered to fit a range of hole diameters.

Round Plugs

High-Temperature Round
Plugs for NPT Pipe

These plugs withstand temperatures up to 600° F to protect internally threaded NPT connections from contaminants during electropainting, paint baking, and powder coating applications.

Chemical-Resistant
Pull-Through Round Plugs

These plugs have excellent chemical resistance for masking parts during chemical finishing applications such as plating and anodizing. Use the smaller end of the plug to pull the larger end into a through hole to form a tight seal.

Antistatic Round Plugs

Keep equipment safe from electrical currents with these plugs that have a surface resistivity of less than 10¹² ohms.

Threaded Round Plugs
for 37° Flared Tube

Designed to fit into 37° flared connections such as those found on JIC and SAE fittings, these plugs protect internally threaded connections from contaminants during fabrication and storage.

Flanged Pull-Through Round Plugs

Designed with a flange, these plugs protect countersunk holes during anodizing, electroplating, paint baking, and powder-coating applications. All withstand temperatures up to 600° F. Use the smaller end of the plug to pull the larger end into a through hole to form a tight seal.

Conductive Round Plugs

With a surface resistivity of less than 10⁵ ohms, these plugs not only dissipate electrical charges, but can be used as an electrical shield.

Miniature Pull-Through Round Plugs

Also known as mouse tails, these tiny plugs fit hole IDs as small as 0.025". They're commonly used for masking parts during finishing applications. Use the end of the plug to pull it into a through hole to form a tight seal.

Sealing Plugs

With a compressible flanged top, these plugs are designed to seal the ends of copper tubing often used in water supply lines, refrigerant lines, and HVAC compressors. All are sized to fit standard copper tube dimensions.

Pull-Tab Round Plugs

A time-saving alternative to threaded plugs, these plugs press in place and have an ergonomic pull tab for quick and easy removal. Use them to temporarily protect holes in objects from contaminants during storage, painting, and light fabrication.

Snap-In Round Plugs

Flexible ridges or straps hold these plugs in place and allow them to fit a range of hole diameters.

Round Plugs

The hollow construction allows these plugs to compress for a snug fit in threaded and unthreaded holes.

Threaded Round Plugs for BSPT Pipe

Safeguard internally threaded BSPT connections from contaminants during fabrication and storage.

Threaded Round Plugs for NPT Pipe

Protect internally threaded NPT connections from contaminants during fabrication and storage.

High-Temperature
Pull-Through Round Plugs

Good for electroplating, paint baking, and powder-coating applications, these plugs withstand temperatures up to 600° F. To form a tight seal, use the smaller end of the plug to pull the larger end into a through hole.

Threaded Round Plugs
for Straight-Thread Pipe

Seal tube and hose fittings to keep their straight threads protected from contaminants during fabrication and storage.

Rectangular Plugs

Snap-In Rectangular Plugs

Flexible ridges securely hold these plugs in place and allow them to fit a range of hole sizes.

Push-In Rectangular Plugs

Push these plugs into an opening and friction holds them in place.

Square Plugs

Domed Square Plugs

Often used on metal furniture, these plugs provide a finished look on posts and tubes. Snap them into place and their flexible ridges will provide a secure grip.

Metal Square Plugs

More durable than plastic plugs, these provide the most protection from abrasion and impact. Use them to eliminate sharp edges and create a finished look on metal fence and machine-guard posts. Drive them in place with a hammer for a secure fit.

Push-In Square Plugs

Push these plugs into an opening and friction holds them in place.

Snap-In Square Plugs

Flexible ridges or straps hold these plugs in place.

Electrical

Modular DIN-Rail
Mount Terminal Blocks

Use with DIN 3 and DIN 1 rail. Add as many circuits as you need with these terminal blocks and accessories.

Quick and Secure Modular
DIN-Rail Mount Terminal Blocks

The spring-clamp terminals on these blocks make wire installation faster than other types of terminals. Push wire into the spring clamp for a secure connection that withstands vibration.

Modular Mini DIN-Rail
Mount Terminal Blocks

Use with DIN 2 rail. Add as many circuits as you need with these terminal blocks and accessories.

Modular Channel-Mount
Terminal Blocks

Mount these blocks to a channel and add as many circuits as you need.

Distribution Blocks

With the help of distribution blocks, you can take a large wire from your power source and connect it to one or more wires going to your electrical devices.

Harsh Environment
High-Current Distribution Bars

Protect connections against corrosion.These bars are tin-plated copper and have stainless steel terminals.

Caps for Washdown
Plugs and Sockets

Protect plugs and sockets in washdown environments when not in use.

Caps for Outlets and Plugs

Cover unused electrical outlets or plug prongs to protect them from dust, dirt, liquids, and other contaminants.

Caps for Micro M12
Screw-Together Connectors

Protect screw-together M12 connectors when not in use.

Caps for High-Current
Pin-and-Sleeve Connectors

Protect high-current connectors when not in use.

Caps for Stackable Pin-to-Pin
Connector Enclosures

Use caps with enclosures to protect connectors when not in use.

Adapters for Mini Connectors

Join two connectors that both have internal threads.

Caps for Mini Connectors

Protect mini connectors when not in use.

Caps for Safe-Break
Pin-and-Sleeve Connectors

Caps are watertight to protect safe-break plugs when not in use.

Caps for Hazardous
Location Safe-Break
Pin-and-Sleeve Connectors

Caps are watertight to protect hazardous location safe-break plugs when not in use.

Heat-Shrink End Caps

Seal the end of crimped connections, such as motor coils, to protect them from moisture.

Battery Water-Filling Vent Caps

Flip open these caps to check the water level and fill a wet-cell lead-acid battery.

Stops and Spacers for DIN Rails

Position terminal blocks, relays, and other components mounted to DIN rails with these stops and spacers.

Electrical-Insulating Wire End Caps

Cover live wire ends with insulated plastic caps that protect against shock from accidental contact.They are tested to 1,000 volts to meet IEC 60900 and ASTM F1505.

Structural Framing

Press-Fit Framing and Fittings

No need for fasteners—friction holds this framing together. Use press-fit framing and fittings to assemble carts, enclosures, and partitions.

Aluminum Bolt-Together
Framing and Fittings

Half the weight of steel, this aluminum framing resists corrosion in wet environments.

T-Slotted Framing Caps,
Covers, and Seals

Seal T-slots, rail ends, and gaps between rails to keep out dust, debris, and other contaminants.

T-Slotted Framing Mounting Brackets

Attach sensors, tubes, and other components to T-slotted framing rails and structures.

Clamp-On Framing and Fittings

Fittings come in two pieces to wrap around rails, so you can quickly modify existing structures without disassembling. Use clamp-on framing and fittings to form temporary partitions, modular conveyors, and workstations.

Strut Channel Caps and Plugs

Cover rough ends of strut channel.

Strut Channel Covers

Create a four-sided raceway for cable, or give a more finished look to strut channel structures.

Aluminum Slip-On
Framing and Fittings

Half the weight of steel, this aluminum framing resists corrosion in wet environments.

Plastic Slip-On Framing and Fittings

In addition to being lightweight and strong, this plastic framing is nonconductive with good resistance to chemicals and salt water.

Galvanized Iron and Steel
Slip-On Framing and Fittings

To provide corrosion resistance in wet environments, this framing is galvanized.

Ductwork and Louvers

Gas Chimney Vents and Fittings

For use with gas-fired equipment, such as boilers and furnaces, these vent pipes and fittings withstand temperatures up to 400° F. Also known as type B gas vents.

Exhaust Pipe Caps

Keep rain and debris out of vertical exhaust pipe with these caps that open with slight pressure from exhaust.

Chimney Vent Caps

Cover chimneys to reduce downdrafts and prevent obstructions from entering.

Quick-Disconnect Duct and Fittings

Join duct and fittings with quick-release clamps for faster disassembly and cleanout than other duct systems.

Sure-Seal Spiral Duct and Fittings

Gaskets create a tight seal—you don't need to seal joints with coating or tape.

Standard Duct and Fittings

No need for clamps or connectors—duct and fittings have a male end that is slightly smaller than its female end for simple assembly.

Chemical-Resistant Duct and Fittings

Made of PVC plastic to withstand acids, alkalies, salts, and other corrosive vapors and fumes.

Rectangular Duct and Fittings

Often used in tight spaces, such as in walls and ceilings, rectangular duct allows you to select larger sizes without increasing duct height.

Flat Roof Vent Caps

Crush-Resistant Spiral
Duct and Fittings

A spiral seam gives this duct greater strength and rigidity than standard duct.

Containers, Storage, and Furniture

Dust Caps for Pails

Stretch these plastic caps over the tops of pails to keep out dust, bugs, and other debris.

Antistatic Dust Caps for Pails

Caps are made with an additive that prevents static charge from building up on the surface.

Dust Caps for Drums

Protect contents from dirt, dust, and other contaminants with these caps.

Antistatic Dust Caps for Drums

An additive on these caps prevents static charge from building up on the surface.

Pegboard Hook End Caps

Slide caps onto the end of hooks to protect items from scratches.

Plastic Pipe and Pipe Fittings

Crack-Resistant PFA Pipe
Fittings for Chemicals

Not only do these PFA fittings have the chemical resistance to handle acid and salt water, they also have better crack resistance than other plastic pipe fittings for chemicals. They are commonly used in high-purity chemical flow processes, such as semiconductor and clean room applications.

High-Pressure Barbed Plastic
Pipe Fittings for Water

Use for pressures up to 200 psi. Also known as insert fittings, these slide into semi-flexible plastic pipe and secure with a clamp.

Plastic Pipe Fittings for Oil

Made of corrosion-resistant plastic, these fittings won’t deteriorate when used in oil applications. They have high strength and impact resistance.

Drain, Waste, and Vent ABS
Pipe Fittings for Chemicals

These fittings are an economical option for chemical waste systems. Fittings are ABS plastic, which has excellent strength and impact resistance and good chemical resistance.

Easy-Access UV-Resistant
Polypropylene Pipe
Fittings for Chemicals

Also known as manifold flange fittings, these have a clamp-together design that lets you access your line for routine maintenance. Fittings resist acids, solvents, and other harsh chemicals. They won’t deteriorate when exposed to the damaging effects of ultraviolet light, so they’re suitable for outdoor use.

Thick-Wall Plastic Pipe
Flanges for Water

Bolt two same-size flanges together with a gasket to create an access point within a line. They are also known as Class 150 flanges. They have thick, strong walls to handle heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation.

Plastic Pipe Fittings for Gasoline

Use these plastic fittings to connect gasoline fuel lines to machines and equipment. They have excellent corrosion resistance as well as high strength and impact resistance.

Underground Snap-Lock
Polyethylene Pipe Fittings
for Drain, Waste, and Vent

The snap-together design allows you to quickly connect these fittings to pipe with no cement required. Fittings are typically used in gravity-flow drainage applications.

Underground PVC Pipe Fittings
for Drain, Waste, and Vent

With thinner walls than Schedule 40 fittings, these are lighter in weight and have more space on the inside for high-flow applications, such as underground gravity-flow sewer and storm drainage lines. They are also known as SDR 35 fittings.

UV-Resistant Polypropylene
Pipe Flanges for Chemicals

Use these polypropylene flanges in outdoor environments—they resist the damaging effects of ultraviolet light. They have the chemical resistance to stand up to acids, solvents, and other harsh substances. Bolt two same-size flanges together with a gasket to create an access point within a line. Flanges are also known as Class 150 flanges.

UV-Resistant Polypropylene
Pipe Fittings for Chemicals

Made of polypropylene, these fittings won’t deteriorate when exposed to the damaging effects of ultraviolet light and are suitable to use outdoors. They have the chemical resistance to withstand acids, solvents, and other harsh substances.

High-Temperature PTFE
Pipe Fittings for Chemicals

Extreme temperatures are no problem for these fittings—they’re made of PTFE, so they can withstand a wider temperature range than any of our other plastic pipe fittings for chemicals. They are commonly used in high-purity chemical flow processes, such as semiconductor and clean room applications.

Standard-Wall Plastic
Pipe Fittings for Water

Connect these fittings to standard-wall plastic pipe for use in low- to medium-pressure applications up to 750 psi.They are the industry standard for residential and commercial plumbing and water supply applications.

Thick-Wall Plastic
Pipe Fittings for Water

Connect these fittings to thick-wall plastic pipe—they have thicker, stronger walls than standard-wall fittings, so they can handle heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation. They can withstand pressures up to 900 psi.

Plastic Pipe Fitting Plugs
for Food and Beverage

Plugs are made from FDA listed materials, so they are suitable for food and beverage applications and won't impart tastes or odors to your product.

Fiberglass Pipe Flanges
for Corrosive Chemicals

Flanges have excellent corrosion resistance to handle a wide range of acids and other highly-corrosive chemicals. Use in metal surface treating applications, plating solution lines, and other chemical process applications. They are reinforced with fiberglass layers for better strength and durability than any of our other pipe flanges for chemicals. Bolt two same-size flanges together with a gasket to create an access point within a line.

CPVC Pipe Fittings for Hot Water

Connect to CPVC pipe for use in high-temperature plumbing and water supply applications up to 200° F.

Aboveground Standard-Wall
PVC Pipe Fittings for
Drain, Waste, and Vent

These Schedule 40 fittings are the industry standard for gravity-flow drain, waste, and vent (DWV) applications.

CPVC Pipe Flanges for Hot Water

Bolt two same-size flanges together with a gasket to create an access point within a line. They are also known as Class 150 flanges. Use in high-temperature plumbing and water supply applications up to 200° F.

Brass and Bronze Pipe and Pipe Fittings

Low-Pressure Chrome-Plated
Brass Threaded Pipe Fittings

The polished chrome plating not only has a shiny appearance, but also improves corrosion resistance on these Class 125 fittings.

Precision Extreme-Pressure
Brass Threaded Pipe Fittings

Also known as instrumentation fittings, these have the most precise threads and the tightest tolerances of all the brass pipe fittings we offer.

High-Pressure Brass Threaded
Pipe Fittings for Drinking Water

Use these heavy-duty brass fittings for high-pressure drinking water applications.

Medium-Pressure Brass and
Bronze Threaded Pipe Fittings

Choose these fittings when you need better strength than our low-pressure brass and bronze pipe fittings.

Bronze Unthreaded Pipe Fittings

Also known as Silbraze fittings.

Low-Pressure Brass and
Bronze Threaded Pipe Fittings

Use these fittings in low-pressure flow applications. They have good corrosion resistance.

High-Pressure Plated Brass
Threaded Pipe Fittings

The plating on these brass fittings creates a shiny finish and provides extra protection in corrosive environments. Fittings have the strength to handle high-pressure applications.

High-Pressure Brass
Threaded Pipe Fittings

These brass fittings have the strength to handle high-pressure applications.

Low-Pressure Brass Threaded
Pipe Fittings with Sealant

The male threads on these brass fittings have a sealant applied for extra protection against leaks. Also known as Class 125 fittings, they are built for use in low-pressure applications.

High-Pressure Brass Threaded
Pipe Fittings with Sealant

Not only do these brass fittings have the strength to handle high-pressure applications, the male threads have a sealant applied for extra protection against leaks.

Brass and Bronze
Unthreaded Pipe Flanges

Bolt these flanges to another same-size flange with a gasket to create an access point within a pipe line. They are also known as Silbraze flanges.

Extreme-Pressure Brass
Threaded Pipe Fittings

Extreme pressures are no problem for these heavy-duty brass fittings.

Miniature Low-Pressure
Brass Threaded Pipe Fittings

Less than an inch in length, these miniature fittings work well in low-pressure pipe lines that are tight on space.

Aluminum Pipe and Pipe Fittings

High-Pressure Aluminum
Threaded Pipe Fittings

Also known as Class 3000 fittings, these have the highest pressure rating of all the aluminum pipe fittings we offer.

Aluminum Unthreaded Pipe Flanges

Use these unthreaded flanges in low-pressure applications. Also known as Class 125 flanges.

Low-Pressure Aluminum
Threaded Pipe Fittings

In addition to being lightweight, these aluminum fittings offer good corrosion resistance. Use them in low-pressure flow applications.

Standard-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Also known as Schedule 40 fittings, these have thicker walls than our thin-wall aluminum unthreaded pipe fittings.

Titanium Threaded Pipe Fittings

Titanium has similar strength to steel, but is approximately 40% lighter. It has better corrosion resistance than most stainless steel alloys and can handle corrosive substances, such as salt water and acids.

Lockable Breather Vents with Cap

Secure access to vented openings in pipe and tanks—the cap can be locked to prevent tampering.

Die Spring Screw Caps

In addition to providing a backing for springs, these screw caps can also be used to control spring tension.

Push-On Retaining Caps

Use these caps to hold components in place and protect shaft ends.

Grease Fitting Dust Caps

Keep standard grease fittings free of dirt and moisture.

Tire Valve Caps

Keep dust and debris out of your tire valve.

Tube Fittings for Copper and Brass Tubing

Press-Connect Fittings
for Copper Tubing

Crimp these fittings to copper tubing with a crimping tool for a leak-tight connection that doesn’t require heat or soldering. They are comparable to Viega ProPress fittings.

Solder-Connect Fittings
for Copper Tubing

Solder these fittings to tubing for a permanent, leak-tight connection. They are also known as sweat fittings.

Brass Push-to-Connect
Fittings for Copper Tubing

Choose these metal fittings when you need better durability than our plastic push-to-connect fittings.

Yor-Lok Fittings for Copper Tubing

Precision Compression
Fittings for Copper Tubing

Also known as instrumentation fittings, these are made to tighter tolerances than standard compression fittings. They are compatible with Parker CPI fittings.

45° Flared Fittings for
Copper and Brass Tubing

No sleeve is required to assemble these fittings, which makes for a faster, more convenient installation compared to 37° flared fittings. They are also known as refrigeration and SAE fittings.

Tube Fittings for Stainless Steel Tubing

Quick-Turn Couplings for
Stainless Steel Tubing

Also known as luer lock couplings, these consist of a plug and socket that connect with a half turn. Use in low-pressure applications up to 30 psi.

37° Flared Fittings for
Stainless Steel Tubing

Also known as JIC (Joint Industrial Council) fittings, these provide a tight metal-to-metal seal on stainless steel tubing that is flared to 37°.

High-Polish Gasket Fittings
for Stainless Steel Tubing

Fittings are polished to a32 Ra and under finish on the interior.

Yor-Lok Fittings for
Stainless Steel Tubing

Use these fittings at pressures up to 9,000 psi. Also known as instrumentation fittings, they are made to tight tolerances for use in high-precision applications. They are compatible with Swagelok®, Let-Lok, and Parker A-Lok fittings.

Extra-Support High-Polish Metal
Quick-Clamp Sanitary Tube Fittings

Also known as I-line fittings, the flanged end of the male adapter on these high-polish fittings interlocks with the flanged end of the female adapter to provide extra support to your line.

Ultra-High-Vacuum Flanges and
Fittings for Stainless Steel Tubing

Create access points in ultra-high-vacuum lines or chambers by bolting two same-size flanges together with a copper gasket between them. The flanges’ sharp edges dig into the copper gasket and form an extremely tight seal, which means they handle higher vacuum pressures than other high-vacuum fittings with rubber gaskets.

Bolt-Together High-Vacuum
Fittings for Stainless Steel Tubing

For high-vacuum systems with tube sizes too large for quick-clamp (KF) fittings, choose these bolt-together fittings.

Extra-High-Polish Metal
Quick-Clamp Sanitary Tube Fittings

Polished to a 20 Ra finish, these fittings have an extra-smooth interior that prevents product buildup and inhibits bacteria growth.

Precision AN 37° Flared Fittings
for Stainless Steel Tubing

The threads on the tube end of these fittings are Class 3A or 3B and adhere to tighter tolerances than other 37° flared fittings.

Ultra-High-Polish Gasket Fittings
for Stainless Steel Tubing

Polished to a 15 Ra and under finish, these fittings have a mirror smooth interior. They are also known as ultra-high-purity fittings.

Butt-Weld Fittings for
Stainless Steel Tubing

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Compression Fittings for
Stainless Steel Tubing

A single sleeve (ferrule) bites into tubing as you tighten the nut, creating a strong seal. The nut and sleeve are included.

Quick-Connect High-Vacuum
Fittings for Stainless Steel Tubing

Twist these fittings onto high-vacuum tubing to quickly make sealed, high-vacuum connections without the need for clamping, welding, or tools.

Quick-Clamp High-Vacuum
Fittings for Stainless Steel Tubing

Also known as KF, QF, and NW fittings, these fittings are for high-vacuum applications, such as vacuum coating and heat treating, leak testing, and analyzing gases.

Precision Compression Fittings
for Stainless Steel Tubing

Vibration-Resistant Precision
AN 37° Flared Fittings
for Stainless Steel Tubing

A PTFE seal on the tube end of these fittings allows for an extra-strong connection in high-vibration applications.

High-Polish Metal Quick-Clamp
Sanitary Tube Fittings

The smooth finish inside these stainless steel quick-clamp fittings makes it easy to remove product residue.

Plastic Quick-Clamp Sanitary
Fittings for Stainless Steel Tubing

Claw-Clamp High-Vacuum
Fittings for Stainless Steel Tubing

An alternative to bolt-together fittings, these handle larger tube OD sizes and have higher vacuum ratings than quick-clamp fittings. Also known as ISO-K high-vacuum fittings, the clamps have claws that grab hold of fittings with flanged ends.

Tube Fittings for Steel Tubing

Compression Fittings for Steel Tubing

A single sleeve (ferrule) bites into tubing as you tighten the nut, creating a strong seal.

30° Flared Fittings for Steel Tubing

Also known as JIS (Japanese Industrial Standard) fittings.

Yor-Lok Fittings for Steel Tubing

These fittings have two sleeves for extra gripping power. They bite into steel tubing as you tighten the nut to form a strong seal.

High-Pressure Compression
Fittings for Steel Tubing

Thicker walls make these fittings—sometimes called flareless or bite fittings—withstand about twice as much pressure as standard compression fittings, so they’re good for hydraulic power applications.

Mounts, Feet, and Pads

Oil-Resistant Slip-On Feet

Made of neoprene rubber, these feet are a good choice for use in oily environments.

Metric High-Capacity Leveling
Mount Inserts for Tubular Legs

Rated for high load capacity, use these metric inserts to connect threaded leveling mounts to heavy equipment.

Leveling Mount Inserts
for Tubular Legs

Slip these inserts into tubular legs to quickly add threads for attaching leveling mounts. They’re often used in the legs of light equipment and furniture.

Slip-On Feet

Cover the bottom of furniture legs.

Leveling Mounts for Tubular Legs

Insert these adjustable mounts into tube ends to level your equipment in a single step.

High-Capacity Leveling Mount
Inserts for Tubular Legs

Rated for high load capacity, use these inserts to connect threaded leveling mounts to heavy equipment.

UV-Resistant Slip-On Feet

Great for use outdoors, these feet are EPDM rubber, which withstands exposure to direct sunlight.

Clamping and Workholding

Set-Screw-Mount
Bench Vise Jaw Liners

Place over the jaws and tighten the screws to securely attach liners.

Magnetic-Mount
Bench Vise Jaw Liners

Choose from flat and grooved liners.

Drop-In Bench Vise Jaw Liners

Insert these one-piece grooved liners between vise jaws to hold small-diameter material vertically.

Tips for Toggle Clamp Holding Screws

Attach one of these nonmarring rubber or plastic tips to prevent a metal holding screw from damaging workpiece surfaces.

Tweezer Tip Covers

Cap the tips of your tweezers to protect them from damage. These flexible silicone covers fit most styles of tweezers.

Wraparound Bench Vise Jaw Liners

Fold the pliable tabs over the jaws to install.

V-Block Magnetic-Mount
Bench Vise Jaw Liners

These V-shaped liners hold large round material.

Hose Fittings

Threaded Hose Fittings
for Compressed Gas

Use these CGA fittings to connect welding hose to pressure regulators and torches.

Metal Cam-and-Groove Hose
Couplings for Chemicals
and Petroleum

Couplings are metal, which has better durability than plastic cam-and-groove hose couplings. They consist of a plug and a socket that connect and disconnect quickly. Use them if you need frequent access to a line. To connect, insert the plug into the socket and push the levers down.

Metal Cam-and-Groove
Hose Couplings for Water

Metal cam-and-groove couplings have better durability than plastic cam-and-groove couplings.

Pin-Lug Fire Hydrant Caps

These caps are the fastest way to close off or access your water line. They have a bracket that snaps into any type of 2 1/2 size female fire hose threads. Tap on one of the pin lugs to remove quickly in an emergency.

Twist-Claw Hose Couplings
for Air and Water

Couplings have an identical claw-style head that connects to another twist-claw hose coupling with a quarter twist.

Dust Caps and Plugs for Snap-Tite
H-Shape Quick-Disconnect Hose
Couplings for Hydraulic Fluid

Use these dust caps and plugs to keep contaminants out of your hose line.

Cam-and-Groove Hose
Couplings for Food and Beverage

Couplings are made of FDA listed materials, so they’re suitable for food and beverage applications and won’t impart tastes or odors to the product. They consist of a plug and a socket that connect and disconnect quickly. Use them if you need frequent access to a line. To connect, insert the plug into the socket and push the levers down.

Metal Garden Hose Fittings

Attach these fittings to garden hose for a variety of water supply applications. They are metal for better durability than plastic garden hose fittings.

Threaded Hose Fittings
for Hydraulic Fluid

Fittings are threaded on both ends so you can connect them directly to a threaded hose or to pumps, cylinders, and other equipment in your hydraulic system. Use in high-pressure applications up to 6,000 psi

Dust Caps and Plugs for
International Standard ISO
Minimal-Spill Quick-Disconnect
Hose Couplings for Hydraulic Fluid

Use these dust caps and plugs to keep contaminants out of your hose line.

Dust Caps and Plugs for Pioneer
Quick-Disconnect Hose
Couplings for Hydraulic Fluid

Use these dust caps and plugs to keep contaminants out of your hose line.

Protective Plastic Plugs for
Cam-and-Groove Hose
Sockets for Water

Insert these caps into a cam-and-groove socket to protect the end of the coupling from damage. The attached handle allows you to easily maneuver hose.

Plastic Cam-and-Groove
Hose Couplings for Water

Made of polypropylene, these cam-and-groove couplings are lighter in weight than metal cam-and-groove hose couplings.

Pioneer Quick-Disconnect Hose
Couplings for Hydraulic Fluid

Use these couplings at pressures up to 3,000 psi. They consist of a plug and socket that connect and disconnect quickly. Use them if you need frequent access to a line. They are compatible with Pioneer-shape plugs and sockets.

Dust Caps and Plugs for International
Standard ISO A Quick-Disconnect
Hose Couplings for Hydraulic Fluid

Use these dust caps and plugs to keep contaminants out of your hose line.

Plastic Cam-and-Groove Hose
Couplings for Chemicals
and Petroleum

Couplings are plastic, which is lighter in weight than metal cam-and-groove hose couplings. They consist of a plug and a socket that connect and disconnect quickly. Use them if you need frequent access to a line. To connect, insert the plug into the socket and push the levers down.

Rocker-Lug Fire
Hydrant Caps and Plugs

Thread these caps and plugs onto fire hydrants and washdown equipment to close off the line. They have rocker lugs for easy gripping.

Dust Caps and Plugs for International
Standard ISO B Quick-Disconnect
Hose Couplings for Hydraulic Fluid

Use these dust caps and plugs to keep contaminants out of your hose line.

Iron and Steel Unthreaded Pipe and Pipe Fittings

High-Pressure Socket-Connect
Steel Unthreaded Pipe Fittings

Socket-connect fittings are easier to weld than butt-weld fittings because the fitting doesn't need to align perfectly to the pipe. Slide the pipe into the socket and weld.

High-Pressure Steel
Unthreaded SAE Pipe Flanges

Also known as Code 61 SAE hydraulic flanges.

Extreme-Pressure Steel
Unthreaded Pipe Flanges

For excellent strength in extreme-pressure applications, choose these heavy duty Class 1500 flanges.

Low-Pressure Press-Connect
Steel Unthreaded Pipe Fittings

Crimp these fittings onto steel pipe to form a tightly sealed connection that’s faster than threading or welding and doesn’t require heat.

Standard-Wall Butt-Weld Steel
Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Extreme-Pressure Socket-Connect
Steel Unthreaded Pipe Fittings

Also known as Class 6000 fittings, these heavy duty forged fittings are the strongest steel fittings we offer.

Low-Pressure Steel
Unthreaded Pipe Flanges

Bolt two flanges of the same size together with a gasket to create an access point in a pipe line.

Thick-Wall Butt-Weld Steel
Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

High-Pressure Steel
Unthreaded Pipe Flanges

Forged for extra strength, these heavy duty unthreaded flanges can withstand high-pressure applications.

Grooved-End Iron Pipe Fittings

The grooved ends on these iron fittings connect to pipe with a clamp to easily install piping systems.

Stainless Steel Pipe and Pipe Fittings

High-Pressure
Socket-Connect Stainless
Steel Unthreaded Pipe Fittings

Socket-connect fittings are easier to weld than butt-weld fittings because the fitting doesn't need to align perfectly to the pipe. Slip the pipe into the socket and weld.

Low-Pressure Press-Connect
Stainless Steel Unthreaded
Pipe Fittings

Press these fittings onto stainless steel pipe using a crimping tool for a permanent, leak-tight connection that's faster than threading or welding and doesn't require heat.

Extreme-Pressure
Socket-Connect Stainless
Steel Unthreaded Pipe Fittings

The strongest socket-connect fittings we offer, these heavy duty forged fittings are also known as Class 6000.

Premium Low-Pressure
Stainless Steel Threaded
Pipe Fittings with Certification

Unlike other stainless steel fittings, these are made in the U.S.A. for superior quality. As another marker of quality, they come with a certificate with a traceable lot number and test report that guarantees material composition.

High-Pressure Stainless Steel
Unthreaded SAE Pipe Flanges

Also known as Code 61 SAE hydraulic flanges.

Low-Pressure Stainless Steel
Unthreaded Pipe Flanges

Bolt two same-size flanges together with a gasket to create an access point within a pipe line.

Standard-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Precision Extreme-Pressure Stainless
Steel Threaded Pipe Fittings

These fittings are made to tighter tolerances than other stainless steel pipe fittings. They are also known as instrumentation fittings.

High-Pressure Stainless
Steel Threaded Pipe Fittings

Use these heavy duty, corrosion-resistant fittings in high-pressure flow applications.

Low-Pressure Stainless Steel
Threaded Pipe Fittings with Sealant

The male threads on these fittings have a sealant applied for extra leak protection.

Thin-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Also known as Schedule 10 fittings, these are thin, lightweight, and corrosion resistant.

Low-Pressure Stainless
Steel Threaded Pipe Fittings

Use these corrosion-resistant fittings in a low-pressure pipe line.

Thick-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

High-Pressure Stainless Steel
Unthreaded Pipe Flanges

Use these heavy duty forged flanges for high-pressure applications.

Extreme-Pressure Stainless
Steel Threaded Pipe Fittings

Use these fittings in extreme-pressure conditions up to 15,000 psi.

Medium-Pressure Stainless
Steel Threaded Pipe Fittings

Choose these fittings when you want the same high-quality found in our low-pressure pipe fittings, but need more strength to handle higher pressures.

37° Flared Fittings for Aluminum Tubing

37° Flared Fittings
for Aluminum Tubing

Also known as JIC (Joint Industrial Council) fittings, these provide a tight seal on tubing that is flared to 37°.

Tube Fittings for Plastic and Rubber Tubing

Push-to-Connect Tube
Fittings for Hot Drinking Water

Fittings can withstand temperatures up to 200° F.

Plastic Quick-Turn Tube
Couplings for Air and Water

Made of plastic, these couplings are lighter in weight than metal quick-turn couplings.

Brass Low-Pressure Barbed
Tube Fittings for Air and Water

Fittings have good corrosion resistance.

Push-to-Connect Fittings for Plastic
Tubing—Food and Beverage

Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. Use in applications up to 150 psi.

Brass Quick-Disconnect
Tube Couplings for Air

Made of brass, these couplings are more durable than plastic couplings.

Stainless Steel Quick-Turn
Tube Couplings for Air

Made of stainless steel, these couplings stand up to wet environments.

Brass Push-to-Connect
Tube Fittings for Air

Made of brass, these fittings have good corrosion resistance.

Quick-Disconnect Tube
Couplings for Food and Beverage

These quick-disconnect couplings meet NSF/ANSI 169 for food equipment.

Quick-Disconnect Couplings
for Plastic Tubing—Gasoline

Quick-disconnect couplings consist of a plug and a socket that join with a latch so you can easily connect and disconnect your line. Use in applications up to 150 psi.

Tight-Seal Plastic Barbed
Tube Fittings for Air and Water

Minimize leaks in your line—these fittings have a single barb that creates a smooth clamping surface for extra-tight connections.

Moisture-Resistant Push-to-Connect
Tube Fittings for Air and Water

These fittings won’t absorb moisture, so they’re good for water and high-humidity air applications.

Plastic Push-to-Connect
Tube Fittings for Chemicals

Also known as instant fittings, these chemical-resistant plastic fittings connect to tubing with a push, and an internal gripping ring and fluoroelastomer O-ring hold the tubing tight.

Quick-Disconnect Tube
Couplings for Dairy

These quick-disconnect couplings mate with a sanitary stainless steel quick-clamp fitting for use in dairy lines.

Weld-Spatter-Resistant
Push-to-Connect Tube
Fittings for Air and Water

Designed for use in welding applications, these fittings are flame retardant.

Brass Compression Tube
Fittings for Air and Water

A single sleeve (ferrule) compresses the tubing as you tighten the nut on these fittings, creating a strong seal. They are brass for good corrosion resistance.

Push-to-Connect Tube
Fittings for Drinking Water

These fittings keep their strength in moist environments and meet NSF/ANSI 61 for drinking water. Also known as instant fittings.

Brass Quick-Turn
Tube Couplings for Air

These brass couplings have good corrosion resistance.

Push-to-Connect Tube Fittings for Air

Quick-Turn Couplings for Plastic
and Rubber Tubing—Chemicals

Also known as luer lock couplings, these connect with a half turn so you can easily connect and disconnect your line. With no latch, they have a low-profile design that works well in small spaces. Use in low-pressure applications up to 45 psi.

Low-Profile High-Pressure
Quick-Disconnect
Tube Couplings for Air

With no latch, these couplings have a compact design to fit in small spaces. They can handle pressures up to 700 psi.

Quick-Disconnect
Couplings for Plastic and
Rubber Tubing—Chemicals

Quick-disconnect couplings consist of a plug and a socket that join with a latch so you can easily connect and disconnect your line. Use in applications up to 120 psi.

Low-Temperature D.O.T.
Push-to-Connect Tube Fittings for Air

Use at pressures up to 150 psi.

Plastic Quick-Turn Tube Couplings
with Shut-Off for Air and Water

A built-in shut-off valve stops the flow when the coupling is separated, so there’s no need to worry about air or water spilling from your line. Couplings are plastic, which is lighter in weight than metal couplings.

Socket-Connect Fittings for
Plastic Tubing—Drinking Water

Use these nuts with brass compression fittings to create a seal on plastic tubing. They meet NSF/ANSI 61 for use with drinking water.

Nickel-Plated Brass Push-to-Connect
Tube Fittings for Air

Made of nickel-plated brass, these fittings have better corrosion resistance than unplated brass fittings.

Push-to-Connect Fittings for
Plastic Tubing—High-Purity

Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. Use in applications up to 140 psi.

Quick-Clamp Fittings for Dairy

Plastic Quick-Disconnect Tube
Couplings for Air and Water

Lighter in weight than metal quick-disconnect couplings, these couplings are plastic.

Iron and Steel Threaded Pipe and Pipe Fittings

Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

The galvanized finish on these fittings provides fair corrosion resistance. Fittings are for use in low-pressure applications.

Compact Precision Extreme-Pressure
Steel Threaded Pipe Fittings

Made to tighter tolerances than other steel pipe fittings, these are also known as instrumentation fittings.

High-Pressure Iron and
Steel Threaded Pipe Fittings

These fittings can stand up to high-pressure applications. Use them in noncorrosive environments.

High-Pressure Galvanized
Steel Threaded Pipe Fittings

A galvanized finish gives these fittings better corrosion resistance than our plain steel high-pressure fittings. Also known as Class 3000 fittings.

Low-Pressure Cast Iron
Threaded Pipe Fittings

Medium-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

A galvanized finish gives these fittings fair corrosion resistance. They have the strength to handle medium-pressure applications.

Low-Pressure Galvanized Steel
Threaded Pipe Fittings with Sealant

The male threads on these fittings have a sealant applied for extra leak protection.

Compact Extreme-Pressure
Steel Threaded Pipe Fittings

These fittings are strong enough to handle extreme pressures, yet small enough to fit into cramped spaces.

Low-Pressure Iron and
Steel Threaded Pipe Fittings

Use these fittings for low-pressure applications in noncorrosive environments.

Extreme-Pressure Steel
Threaded Pipe Fittings

The strongest steel fittings we offer, these can withstand extreme-pressure applications.

Medium-Pressure Iron and
Steel Threaded Pipe Fittings

For use in noncorrosive environments, these fittings have better strength than our low-pressure iron and steel pipe fittings.

Terms and Conditions and Privacy Policy

Caps

Round Caps

Domed Round Caps

Heavy Duty Round Caps

Metal Round Caps

Sure-Grip Round Caps

Roll-Resistant Round Caps

Tethered Round Caps

Hanging Round Caps

Food-Grade Round Caps

Conductive Round Caps

Antistatic Round Caps

High-Temperature Round Caps

Chemical-Resistant Round Caps

Rectangular Caps

Tapered Caps

Tapered Cap Assortments

High-Temperature Tapered Caps

Heavy Duty Square Caps

Square Caps

Corner Caps

Heavy Duty Angle Caps

Angle Caps

Threaded Caps

Stretchable Elastic Caps

Stretchable Sealing Caps

Heat-Shrink Round Caps

Squeeze Top Caps

High-Visibility Pull-Tab Caps

Propane Tank Tear-Tab Caps

Tear-Tab Caps

Flexible Pull-Tab Caps

Rigid Pull-Tab Caps

Rebar Caps

Rebar Caps

Stacking Caps and Targets

Stacking Caps and Targets

USB Caps

USB Caps

Capacitor Caps

Capacitor Caps

Fastener Caps

Threaded Standoff Caps

Hex Nut Caps

Hinged Fastener Caps

Screw Caps

Snap-On Fastener Caps

Flange Caps

Stretchable Flange Caps

Flange Caps

Adhesive-Back Flange Caps

DIN Rail Caps

DIN Rail Caps

Panel Plugs

Vented Locking Panel Plugs

Plastic Snap-In Panel Plugs

Metal Snap-In Panel Plugs

Metal Snap-In PanelPlug Assortments

Locking Panel Plugs

Vented Snap-In Panel Plugs

Clear Locking Panel Plugs

Sealing Panel Plugs

Push-In Panel Plugs

Ethernet Port Plugs

Ethernet Port Plugs

Expansion Plugs for Castings

Expansion Plugs for Castings

Hydraulic Sealing Plugs

Hydraulic Sealing Plugs

Fixture Plate Chip Plugs

Fixture Plate Chip Plugs

Tapered Plugs

Hollow Tapered Plug Assortments

Expandable High-TemperatureTapered Plugs

Chemical-Resistant Tapered Plugs

Miniature Tapered Plugs

Miniature High-TemperatureTapered Plugs

Expandable Tapered Plugs

Hollow Tapered Plugs

Pull-Ring Tapered Plugs

Metal Snap-In Panel
Plug Assortments

Expandable High-Temperature
Tapered Plugs

Miniature High-Temperature
Tapered Plugs

Hollow High-Temperature
Tapered Plugs

High-Temperature Round
Plugs for NPT Pipe

Chemical-Resistant
Pull-Through Round Plugs

Threaded Round Plugs
for 37° Flared Tube

High-Temperature
Pull-Through Round Plugs

Threaded Round Plugs
for Straight-Thread Pipe

Modular DIN-Rail
Mount Terminal Blocks

Quick and Secure Modular
DIN-Rail Mount Terminal Blocks

Modular Mini DIN-Rail
Mount Terminal Blocks

Modular Channel-Mount
Terminal Blocks

Harsh Environment
High-Current Distribution Bars

Caps for Washdown
Plugs and Sockets

Caps for Micro M12
Screw-Together Connectors

Caps for High-Current
Pin-and-Sleeve Connectors

Caps for Stackable Pin-to-Pin
Connector Enclosures

Caps for Safe-Break
Pin-and-Sleeve Connectors

Caps for Hazardous
Location Safe-Break
Pin-and-Sleeve Connectors

Aluminum Bolt-Together
Framing and Fittings

T-Slotted Framing Caps,
Covers, and Seals

Aluminum Slip-On
Framing and Fittings

Galvanized Iron and Steel
Slip-On Framing and Fittings