McMaster-Carr

Search Results

	Shape Shape


Round	Round with Keyways

Keyway	Rectangle

Square	Double-D Shape

Computer Connector	D-Shape

	System of Measurement System of Measurement

Inch

Metric

	For Hole Diameter For Hole Diameter

	For Use On For Use On

	Punching Action Punching Action

	Stud Driven
	Hammer Driven

	For Knockout Trade Size For Knockout Trade Size

	Material Material

	Individual/Set Individual/Set

Individual

Set

	For Conduit Trade Size For Conduit Trade Size

	Diameter Diameter

1"-6"

1 3/4"-7 7/8"

2"-12"

2"-20"

	For Knockout Diameter For Knockout Diameter

1/2"-13/16"

7/8"-1 9/32"

1 3/8"-1 3/4"

2"-2 9/16"

	For Maximum Steel Thickness For Maximum Steel Thickness

	For ID For ID

15-16mm

16-18mm

19-20mm

21-22mm

23-24mm

25-26mm

27-28mm

29-30mm

31-32mm

32mm

33-34mm

	Head Diameter Head Diameter

	Stud Diameter Stud Diameter

	For Pipe Size For Pipe Size

	Environment Environment

	Environmental Rating Environmental Rating

	Plug Type Plug Type


Snap In	Locking

Push In

	Color Color

	Gray		Black
	Off-White		Clear

	For Maximum Panel Thickness For Maximum Panel Thickness

	Finish Finish

	For Use With For Use With

Drill Presses

Drill

Hand-Held Power Drills

Forward

How can we improve?

1,963 Products

Knockouts

Hole Punches

Hole Saws

Attach these saws to a drill or drill press to make circular cuts.

Hole Plugs for Enclosures

Seal unused holes and knockouts in your enclosures and outlet boxes.

Panel Plugs

Plug holes in sheet metal and thin walls.

Hole Saw Arbors

Secure a hole saw to a drill or drill press with one of these arbors and use the built-in pilot drill to guide the hole saw.

Mold Pins

Use these core, punch, and ejector pins for stamping and injection molding. They're precision-ground to tight tolerances.

Sheet Metal Hole Flaring Dies

Create flares around already-cut holes in sheet metal up to 3/16" thick to make the edges stronger and more rigid. Also known as dimple dies.

Terms and Conditions and Privacy Policy