Hole Covers | McMaster-Carr

Choose a Category

	System of Measurement System of Measurement

	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"

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"

0.1"-0.15"

7/64"-9/64"

7/64"-5/32"

0.116"-0.182"

1/8"-1/2"

0.14"-0.21"

0.14"-0.275"

9/64"-3/16"

9/64"-15/64"

9/64"-23/64"

5/32"-13/64"

0.16"-0.275"

11/64"-15/64"

3/16"-1/4"

0.19"-0.3"

0.19"-0.32"

13/64"-9/32"

13/64"-21/64"

7/32"-19/64"

0.236"-0.302"

0.24"-0.295"

1/4"-9/32"

1/4"-7/16"

17/64"-5/16"

17/64"-23/64"

17/64"-3/8"

17/64"-27/64"

9/32"-23/64"

9/32"-25/64"

19/64"-21/64"

0.299"-0.365"

0.31"-0.33"

21/64"-7/16"

21/64"-31/64"

0.33"-0.396"

0.34"-0.45"

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"

13/32"-19/32"

0.419"-0.485"

27/64"-29/64"

27/64"-37/64"

7/16"-35/64"

29/64"-31/64"

29/64"-37/64"

29/64"-39/64"

29/64"-43/64"

0.46"-0.57"

15/32"-17/32"

0.471"-0.536"

0.471"-0.547"

31/64"-35/64"

1/2"-37/64"

1/2"-21/32"

33/64"-19/32"

33/64"-41/64"

17/32"-39/64"

17/32"-11/16"

0.532"-0.608"

35/64"-41/64"

0.55"-0.631"

9/16"-5/8"

37/64"-11/16"

37/64"-47/64"

0.58"-0.667"

0.59"-0.7"

19/32"-43/64"

19/32"-45/64"

39/64"-23/32"

0.61"-0.7"

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"

43/64"-23/32"

43/64"-47/64"

43/64"-49/64"

43/64"-25/32"

0.69"-0.788"

0.71"-0.82"

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"-0.848"

3/4"-1"

49/64"-57/64"

49/64"-29/32"

51/64"-59/64"

51/64"-15/16"

51/64"-31/32"

51/64"-1"

51/64"-1 1/64"

53/64"-31/32"

53/64"-63/64"

0.84"-0.95"

27/32"-1 7/32"

0.866"-0.975"

7/8"-1"

57/64"-31/32"

29/32"-1 1/16"

0.915"-1.04"

59/64"-1"

59/64"-1 3/64"

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"

63/64"-1 3/64"

0.99"-1.08"

1"-1 1/8"

1 1/32"-1 1/4"

1 3/64"-1 11/64"

1 3/64"-1 1/4"

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"

1.094"-1.215"

1 7/64"-1 19/64"

1 1/8"-1 7/32"

1 9/64"-1 13/32"

1 11/64"-1 19/64"

1.175"-1.284"

1 3/16"-1 7/16"

1 3/16"-1 29/64"

1.21"-1.3"

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 5/16"

1 17/64"-1 31/64"

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 27/64"-1 35/64"

1 27/64"-1 11/16"

1 29/64"-1 5/8"

1.46"-1.55"

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 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 41/64"-1 61/64"

1 21/32"-1 15/16"

1 21/32"-1 31/32"

1 43/64"-1 13/16"

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 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 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"-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 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"

2.5"-2 7/8"

2 35/64"-2 43/64"

2.614"-2.79"

2 43/64"-2 13/16"

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"

3.47"-3.6"

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

33-34mm

	For Shape For Shape

	Round
	Rectangle
	Square
	Angle
	Corner
	DIN Rail

	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"

0.901" to 1.027"

0.933" to 1.083"

1" to 1 1/16"

1 1/32" to 2 5/32"

1.085" to 1.358"

1.169" to 1.437"

1.173" to 1.298"

1.249" to 1.402"

1 1/4" to 1 5/16"

1.282" to 1.445"

1 7/16" to 2 15/16"

1.498" to 1.62"

1 1/2" to 1 9/16"

1 1/2" to 5"

1 1/2" to 8"

1.568" to 1.688"

1.688" to 1.818"

1.718" to 1.888"

1 3/4" to 1 13/16"

1.781" to 1.938"

1.837" to 2.013"

1.953" to 2.085"

2" to 2 1/16"

2.063" to 2.377"

2.074" to 2 1/4"

2.235" to 2.401"

2 1/4" to 2 5/16"

2 1/4" to 11"

2.333" to 2.54"

2.395" to 2.688"

2 1/2" to 2 9/16"

2.579" to 2.728"

2.656" to 2.926"

2.685" to 2.947"

2 3/4" to 2 13/16"

2.787" to 2.918"

2 7/8" to 16"

2.912" to 3.175"

3" to 3 1/16"

3.02" to 3.3"

3.2" to 3.492"

3 1/4" to 3 5/16"

3.41" to 3.54"

3.48" to 3.66"

3 1/2" to 3 9/16"

3 5/8" to 3 13/16"

3 5/8" to 17"

3.71" to 3.84"

3.86" to 4"

3.94" to 4.07"

4" to 4 1/16"

4.29" to 4.54"

4.37" to 4.62"

4 3/8" to 24"

4.92" to 5.1"

5.21" to 5.37"

5.49" to 5.67"

5.92" to 6.1"

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 to 9 mm

9 to 10 mm

10 to 11 mm

11 to 12 mm

12 to 13 mm

13 to 15 mm

14 to 16 mm

15 to 17 mm

16 to 18 mm

17 to 19 mm

18 to 20 mm

20 to 22 mm

24 to 26 mm

	Plug Type Plug Type


Snap In	Locking

Push In	Screw In

Pull Through	Expandable

Tamper Evident

	Material Material

Stainless Steel

Synthetic Fiber

	Color Color

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

	Profile Profile


Straight	Tapered

	Cap Type Cap Type


Push On	Adhesive Back

Snap On	Stretchable

Screw On	Shrink Fit

Weld On

	Head Diameter Head Diameter

	For Panel Thickness For Panel Thickness

0.016"-0.063"

0.016"-0.125"

0.016"-0.25"

0.02"-0.07"

0.02"-0.18"

0.03"-0.08"

0.03"-0.11"

0.031"-0.072"

0.031"-0.094"

0.031"-0.109"

0.031"-0.14"

0.031"-0.171"

0.05"-0.1"

0.05"-0.11"

0.059"-0.08"

0.06"-0.08"

0.06"-0.11"

0.063"-0.25"

0.07"-0.13"

0.5-1 mm

0.5-1.5 mm

0.8-1.6 mm

0.8-2 mm

0.8-2.5 mm

0.8-3.5 mm

0.8-4 mm

	For Pipe Size For Pipe Size

	Inside Height Inside Height

	Height Height

	Shape Shape

	For Surface Type For Surface Type

	Maximum Temperature Maximum Temperature

Less than 150° F

150° to 199° F

200° to 249° F

250° to 499° F

500° F or greater

	Overall Height Overall Height

	Flexibility Flexibility

	Hardness Hardness

	Mount Type Mount Type


Push In	Push-In Stem

	Head Width Head Width

	Head Height Head Height

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2,430 Products

Caps and Plugs

Plugs

Caps

Caps

Other Hole Covers

Furniture Grommets

Furniture Grommets

Eliminate clutter on desktops, countertops, benchtops, and other work surfaces by organizing wire, cable, and cords.

Push-In Bumpers

Push-In Bumpers

Push the stem into a hole for quick installation. These bumpers are commonly used as feet on instruments and bench-top equipment to keep them from sliding. They're also good as spacers between sheets of material. Also known as stem or grommet bumpers.

Cleanout and Drain Pipe Plugs

Sink Drains and Fittings

Sink Drains and Fittings

Floor and Roof Drains

Floor and Roof Drains

Expansion Plugs

Expansion Plugs

Often used when testing systems for leaks, these plugs expand against the inside of pipes to create a pressure-resistant seal.

Vent Caps

Vent Caps

Cover external vents to reduce downdrafts and prevent obstructions from entering the vent.

Gas and Chimney Vents

Exhaust gas fumes and hot air from boilers, furnaces, and stoves.

Heat-Shrink End Caps

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

Sorbents and Spill Control

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)