Dust Covers | McMaster-Carr

	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

UN/UNF (SAE Straight)

	Type Type

	Cap		Plug

	Shape Shape


Round	Flat

Sheet and Bar	Box

Tapered Round	Cap/Plug

Tapered Rectangle	Rectangle

Film	Disc

Straight	45° Elbow

90° Elbow

	Color Color

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

	For Shape For Shape


Round	Rectangle

Square	Hex

DIN Rail	Angle

Corner

	System of Measurement System of Measurement

Inch

Metric

	For OD For OD

	Drive Style Drive Style

	Length Length

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	For ID For ID

	Maximum Temperature Maximum Temperature

	For Use With For Use With

Galaxy Note 10
Smartphones

Galaxy S10+
Smartphones

Galaxy S10 Smartphones

Galaxy S20/S20 5G
Smartphones

Galaxy S20+/S20+ 5G
Smartphones

Galaxy S20 Ultra/S20
Ultra 5G Smartphones

iPhone 6/6S
Smartphones

iPhone 7 Plus
Smartphones

iPhone 8 Plus
Smartphones

iPhone 11 Pro Max
Smartphones

iPhone 11 Pro
Smartphones

iPhone 11 Smartphones

iPhone 12/12 Pro
Smartphones

iPhone 12 Mini
Smartphones

iPhone 12 Pro Max
Smartphones

iPhone 13 Mini
Smartphones

iPhone X/XS
Smartphones

iPhone XR Smartphones

Wire, Cable, and Cords

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Plug Type Plug Type


Snap In	Push In

Locking	End

Screw In	Three Prong

Expandable	Pull Through

Two Prong

	For Pipe Material For Pipe Material

	Width Width

	Connection Style Connection Style

	Thread Size Thread Size

	ID ID

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7,250 Products

Bellows

Light Duty Round Bellows with Cuff Ends

Thinner than other round bellows with cuff ends, these flexible bellows are meant for light duty applications.

Round Bellows with Cuff Ends

These thick, rigid bellows provide excellent durability.

Food Industry Round Bellows with Cuff Ends

Made of FDA listed materials, these rigid bellows are suitable for food and beverage applications.

Create-Your-Own Round Bellows with Cuff Ends

Add cuff inserts to these flexible bellows for a custom fit.

Highly Compressible Round Bellows with Cuff Ends

Suitable for tight spaces, these highly compressible bellows have sealed seams to keep contaminants out.

Breathable Round Bellows with Cuff Ends

Sewn seams let these bellows breathe, so they retract quickly in fast-cycling applications.

Round Bellows with Cuff End and Flange End

Attach the cuff end with a hose clamp and screw mount the flange end.

Breathable Round Bellows with Flange Ends

Wear-Resistant Breathable
Round Bellows with Flange Ends

Made of Kevlar, these are the most durable breathable round bellows with flange ends. They also protect against sparks and weld spatter.

High-Temperature Breathable
Round Bellows with Flange Ends

These fiberglass bellows withstand temperatures up to 450° F—about twice as much as standard breathable round bellows with flange ends. They also protect against flames and sparks.

Create-Your-Own Round Bellows with Flange Ends

Interlock bellows, mounting flanges, and links to create a custom-length bellows. These molded bellows are airtight to keep contaminants out.

Breathable Wraparound Round
Bellows with Flange Ends

No need to disassemble equipment—these bellows wrap around moving parts. Sewn seams let them breathe, so they retract quickly in fast-cycling applications.

Three-Sided Flat Bellows

Slide these bellows over flat moving surfaces on machinery, such as guideways.

Flat Bellows

Guard flat moving surfaces on machinery.

High-Temperature Flat Bellows

These bellows withstand temperatures up to 500° F—more than twice as much as standard flat bellows.

Roll-Up Covers

Similar to a window shade, pull these covers out to protect surfaces and equipment in tight spaces.

Tapered Round Bellows with Cuff End and Flange End

Attach the cuff end with a hose clamp, and screw mount the flange end.

Tapered Round Bellows with Cuff Ends

Secure the cuff ends with hose clamps.

Tapered Rectangular Bellows
with Cuff End and Flange End

Attach the cuff end with a hose clamp, and screw mount the flange end.

Metal Telescoping Bellows

Made of coiled spring steel, these bellows protect equipment from hot and sharp chips.

Rectangular Bellows

Slide these bellows over square rods and shafts.

Guide Rail Bellows

Also known as linear way covers, these bellows install on guide rails to protect the rails as carriages move across them.

Bridgeport Machine Bellows

Guard 9" and 12" travel Bridgeport milling machines by covering their rear knee/upper column and front knee.

Lift Table Bellows

Also known as lift table skirts, these bellows cover the working parts at the base of a lift table.

Gas Spring Bellows

Install these bellows over gas springs to protect their piston rods.

Die Set Bellows

Secure these bellows to punch presses to prolong the life of their die sets.

Hydraulic Cylinder Bellows

Slip these bellows over hydraulic cylinder rods to keep them free from debris for a long service life.

Joint Covers

U-Joint Covers

Protect U-joints to keep lubricants in and contaminants out.

Ball Joint Linkage Covers

Enclose ball joint linkages to keep lubricants in and contaminants out.

Ball Joint Rod End Covers

Shield ball joint rod ends to keep lubricants in and contaminants out.

Seal Protectors

Gas Spring Seal Protectors

Slide these protectors over gas springs to keep debris out of their seals.

Seal Protectors

Slide or zip these protectors around shocks and other moving parts to keep debris out of their seals.

Caps

Round Caps

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

Metal Round Caps

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

Heavy Duty Round Caps

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

Domed Round Caps

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

Tethered Round Caps

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

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.

Hanging Round Caps

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

Chemical-Resistant Round Caps

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

High-Temperature Round Caps

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

Food Industry Round Caps

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

Antistatic Round Caps

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

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.

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.

Square Caps

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

Rectangular Caps

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

Heavy Duty Square Caps

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

Angle Caps

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

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.

Corner Caps

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

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

Tug on the pull tabs to stretch these caps onto the tips of bottles, beakers, flasks, and cylinders, creating an airtight seal.

Flexible Pull-Tab Caps

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

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.

Threaded Caps

Protect externally threaded components from contaminants during fabrication and storage.

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.

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.

Flange Caps

Adhesive-Back Flange Caps

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

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.

SAE Flange Caps

Protect SAE hydraulic flanges during shipping, storing, and finishing applications.

Fastener Caps

Hex Nut Caps

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

Screw Caps

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

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.

Threaded Standoff Caps

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

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.

USB Caps

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

DIN Rail Caps

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

Bearing Caps

Cover standard or flange-mount bearings to protect personnel from injury and keep contaminants out.

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.

Stacking Caps and Targets

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

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.

Tapered Plugs

Hollow Tapered Plugs

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

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.

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.

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.

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.

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.

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.

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.

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.

Food Industry Tapered Plugs

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

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.

Rectangular Plugs

Push-In Rectangular Plugs

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

Snap-In Rectangular Plugs

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

Round Plugs

Threaded Round Plugs for Straight-Thread Pipe

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

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.

Threaded Round Plugs for NPT Pipe

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

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.

Threaded Round Plugs for BSPT Pipe

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

Round Plugs

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

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.

Antistatic Round Plugs

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

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.

Snap-In Round Plugs

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

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.

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.

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.

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.

Miniature Pull-Through Round Plugs

Also known as mouse tails, these tiny plugs fit through-hole IDs as small as 0.022”, 0.025", or 0.03”.

Square Plugs

Snap-In Square Plugs

Flexible ridges or straps hold these plugs in place.

Push-In Square Plugs

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

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.

Panel Plugs

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.

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.

Locking Panel Plugs

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

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.

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.

Push-In Panel Plugs

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

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.

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.

Fixture Plate Chip Plugs

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

Hydraulic Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components.

Tarps

Heavy Duty Waterproof Box-Shaped Tarps

The most puncture-, abrasion-, and tear-resistant box-shaped tarps we offer.

Reflective Waterproof Box-Shaped Tarps

Keep equipment and other objects cool. These tarps are silver on one side to reflect sunlight and black on the other for UV resistance.

Tarps with Magnets

A magnet sewn into each corner keeps these tarps in place on equipment.

Corrosion-Inhibiting Box-Shaped Tarps

Protect equipment against condensation buildup and corrosion with these specially treated tarps.They're also heat shrinkable.

Waterproof Tarps

Keep covered items dry with these UV-resistant tarps.

Breathable Tarps

Allow air to circulate to prevent condensation buildup with these tarps. They're double-stitched and have reinforced corners for durability.

Breathable Waterproof Tarps

Let air in while keeping water out. Stronger than our other breathable tarps, these are UV, abrasion, and tear resistant.

Insulated Waterproof Tarps

Protect against hot and cold temperature changes. These tarps have an insulating foam core covered by a reinforced outer cover. They are silver on one side to reflect sunlight and black on the other for UV resistance.

High-Visibility Tarps

Make sure covered objects get noticed. These tarps are bright yellow and orange with a contrasting border along each edge. They're UV, abrasion, and tear resistant.

Reflective Waterproof Tarps

Keep equipment and other objects cool and dry. These tarps are silver on one side to reflect sunlight and black on the other for UV resistance.

Heavy Duty Tarps

The most puncture-, abrasion-, and tear-resistant tarps we offer.

Heavy Duty Tarps with D-Rings

Equally spaced D-rings along two center seams allow a tight hold.

Ultra Heat- and Flame-Resistant Tarps

The most heat-resistant tarps we offer, these resist flames and molten metal splatter.

Flame-Resistant Tarps

These tarps resist flames, tears, and water.

Chemical-Resistant Tarps

These tarps withstand gasoline, methanol, sodium chloride, ammonium sulfate, petroleum, and lubricating oils.

Corrosion-Inhibiting Tarps

Protect equipment against condensation buildup and corrosion with these specially treated tarps.

Pipe Leak Drainage Tarps

Capture leaks to protect work areas and equipment by hanging this tarp beneath a problem pipe.

Ceiling Leak Drainage Tarps

Protect work areas and equipment from overhead leaks with these rot- and chemical-resistant tarps.

Mesh Tarps

These tarps are often used as truck and flatbed covers, cargo netting, and wind screens.

Drop Cloths

Protect floors and minimize tracking.

Protective Robot Covers

Shield your robot arm from dirt and damage with these covers.

Computer Equipment Covers and Protectors

Computer Covers

Keep dust off of your computer with these protective covers.

Printer Covers

Protect your printer from dust with these covers.

Storage Keyboard Covers

Protect your keyboard from dust and spills when it's not in use.

Keyboard Covers

These covers conform to the keys to protect your keyboard from dust and spills without hindering your typing.

Screen Covers

Slip these flexible covers over your monitor for protection from dust.

Screen Protectors for Tablets

Sized to fit an Apple iPad Air tablet.

Screen Protectors for Monitors

These plastic protectors can be cut to size.

Screen Protectors for Phones

Protect your mobile device screens from smudges and scratches.

T-Slotted Framing Caps, Covers, and Seals

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