40.5mm Punches | McMaster-Carr

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	System of Measurement System of Measurement

Metric

	For Hole Diameter For Hole Diameter	Show

40.5mm

	For Hole Diameter For Hole Diameter	Hide

	Shape Shape

	Round

	Punching Action Punching Action

	Stud Driven

	For Use On For Use On

	For Maximum Steel Thickness For Maximum Steel Thickness

1/8"

	Individual/Set Individual/Set

Individual

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

DFARS Specialty Metals
COTS-Exempt

	Material Material

Steel

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

REACH Compliant

	Stud Diameter Stud Diameter

3/4"

	Stud Length Stud Length

5 Products

Metric Stud-Driven Round Hole Punches for Conduit

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

Hole Punches
		Stud						Replacement Studs
For Hole Dia., mm	For Max. Steel Thick.	Dia.	Lg.	Material	Includes		Each		Each
For Use On Aluminum, Brass, Copper, Fiberglass, Plastic, Steel
40.5	1/8"	3/4"	2 1/8"	Steel	Punch, Die, Stud	000000000	0000000	00000000	000000

11-ton Straight Hydraulic Driver	000000	Each	000000000
8-ton Right-Angle Hydraulic Driver	0000000	Each	00000000
8-ton Straight Hydraulic Driver	0000000	Each	000000