4 1/2" Punches | McMaster-Carr

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	For Hole Diameter For Hole Diameter	Show

4 1/2"

	For Hole Diameter For Hole Diameter	Hide

	Shape Shape

	Round

	For Conduit Trade Size For Conduit Trade Size

	For Use On For Use On

	Punching Action Punching Action

	Stud Driven

	Stud Diameter Stud Diameter

1 1/8"

	Stud Length Stud Length

8 3/8"

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

DFARS Specialty Metals
COTS-Exempt

	For Maximum Steel Thickness For Maximum Steel Thickness

1/8"

	Material Material

Steel

	Individual/Set Individual/Set

Individual

	For Pipe Size For Pipe Size

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5 Products

Stud-Driven Round Hole Punches

Create holes in metal, plastic, and fiberglass by using a wrench or driver to draw the punch onto the included stud. Drill pilot holes slightly larger than the size of the stud. These punches are also known as knockout and chassis punches.

Hole Punches
			Stud						Replacement Studs		Replacement Dies		Replacement Punches
For Conduit Trade Size	For Hole Dia.	For Max. Steel Thick.	Dia.	Lg.	Material	Includes		Each		Each		Each		Each
For Use On Aluminum, Brass, Copper, Fiberglass, Plastic, Steel
4	4 1/2"	1/8"	1 1/8"	8 3/8"	Steel	Punch, Die, Stud, Bushing, Drive Nut	00000000	0000000	0000000	0000000	000000000	0000000	000000000	0000000

Stud-Driven Round Hole Punches for Pipe and Conduit

Hole Punches
				Stud						Replacement Studs		Replacement Dies		Replacement Punches
For Pipe Size	For Hole Dia.	For Conduit Trade Size	For Max. Steel Thick.	Dia.	Lg.	Material	Includes		Each		Each		Each		Each
For Use On Aluminum, Brass, Copper, Fiberglass, Plastic, Steel
4	4 1/2"	4	1/8"	1 1/8"	8 3/8"	Steel	Punch, Die, Stud, Bushing, Drive Nut	000000	0000000	0000000	0000000	000000000	0000000	000000000	0000000