1.21" Hole Punches | McMaster-Carr

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	Shape Shape

	Round with Keyways

	For Use On For Use On

	System of Measurement System of Measurement

Inch

	For Panel Cutout Diameter For Panel Cutout Diameter

30mm

	Punching Action Punching Action

	Stud Driven

	For Hole Diameter For Hole Diameter	Show

1.21"

	For Hole Diameter For Hole Diameter	Hide

	For Keyway Notch Width For Keyway Notch Width

0.19"

	Individual/Set Individual/Set

Individual

	For Maximum Steel Thickness For Maximum Steel Thickness

1/8"

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

DFARS Specialty Metals
COTS-Exempt

	For Keyway Notch Length For Keyway Notch Length

0.08"

	Material Material

Steel

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

2 Products

Stud-Driven Keyway Punches

Round with Keyways

Also known as chassis punches, these tools cut through sheet metal to make holes for installing panel cutout switches. They have a centering design for accurate alignment. Drill pilot holes slightly larger than the size of the stud. All punches can be used with a hydraulic driver.

Keyway Punches
For Keyway Notch									8-ton Straight Hydraulic Driver
Lg.	Wd.	For Hole Dia.	For Panel Cutout Dia.	For Max. Steel Thick.	Material	Includes		Each		Each
For Use On Aluminum, Brass, Copper, Stainless Steel, Steel
Round with Keyways
0.08"	0.19"	1.21"	30mm	1/8"	Steel	Punch, Die, Stud, Nut	00000000	0000000	0000000	0000000