Square Hole Knockout Punches

	Shape Shape


Square	Round with Keyways

	For Hole Width For Hole Width

	For Use On For Use On

	For Hole Length For Hole Length

	For Maximum Steel Thickness For Maximum Steel Thickness

1/16"

7/64"

1/8"

	For DIN Size For DIN Size

1/16

1/4

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

DFARS Specialty Metals
COTS-Exempt

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19 Products

Stud-Driven Square Hole Punches

These punches make openings for a variety of panel switches and connectors. Also known as chassis and panel punches, they cut through sheet metal and have an automatic centering design for accurate alignment. Drill pilot holes slightly larger than the size of the stud.

Punch for 1.813" holes can only be used with a hydraulic driver and does not require a stud adapter.

Punches for 0.5" to 1" holes can be used with a manual wrench or hydraulic driver, but require a stud adapter (sold separately) when used with a hydraulic driver.

Hole Punches
For Hole							Hydraulic Driver Stud Adapters
Lg.	Wd.	For Max. Steel Thick.	Material	Includes		Each		Each
For Use On Steel
0.5"	0.5"	1/16"	Steel	Punch, Die, Stud, Nut	0000000	0000000	00000000	000000
0.625"	0.625"	1/16"	Steel	Punch, Die, Stud, Nut	0000000	000000	00000000	00000
0.75"	0.75"	1/16"	Steel	Punch, Die, Stud, Nut	0000000	000000	00000000	00000
0.875"	0.875"	1/16"	Steel	Punch, Die, Stud, Nut	0000000	000000	00000000	00000
0.95"	0.95"	1/16"	Steel	Punch, Die, Stud, Nut	0000000	000000	00000000	00000
1"	1"	1/16"	Steel	Punch, Die, Stud, Nut	0000000	000000	00000000	00000
1.813"	1.813"	1/8"	Steel	Punch, Die, Stud, Nut	0000000	00000000	000000	00

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

Hydraulic Driver-Operated Stud-Driven DIN-Size Hole Punches

Cut DIN-sized openings for rectangular- and square-shaped instruments. These punches require a driver ram and are for use with a hydraulic pump (sold separately). Drill pilot holes slightly larger than the size of the stud.

Hole Punches
	For Hole							Driver Rams		Hydraulic Hand Pumps
For DIN Size	Lg.	Wd.	For Max. Steel Thick.	Material	Includes		Each		Each		Each
For Use On Aluminum, Brass, Copper, Fiberglass, Plastic, Stainless Steel, Steel
Square
1/4	3.63"	3.63"	7/64"	Steel	Punch, Die, 4 Studs	00000000	0000000	00000000	0000000	00000000	0000000

Manual Wrench-Operated Stud-Driven DIN-Size Hole Punches

Turn the studs with a wrench to cut DIN-sized openings for rectangular- and square-shaped instruments. These punches require a puller adapter (sold separately) and can also be used with a hydraulic driver. Drill pilot holes slightly larger than the size of the stud.

Hole Punches
	For Hole							Puller Adapters
For DIN Size	Lg.	Wd.	For Max. Steel Thick.	Material	Includes		Each		Each
For Use On Aluminum, Brass, Copper, Fiberglass, Plastic, Stainless Steel, Steel
Square
1/16	1.78"	1.78"	1/16"	Steel	Punch, Die, 4 Studs	00000000	0000000	00000000	0000000

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

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 manual wrench or hydraulic driver.

For Keyway Notch
Lg.	Wd.	For Hole Dia.	For Panel Cutout Dia.	For Max. Steel Thick.	Material	Includes		Each
For Use On Aluminum, Brass, Copper, Stainless Steel, Steel
Round with Keyways
0.06"	0.13"	0.88"	22mm	1/16"	Steel	Punch, Die, Stud, Nut	00000000	0000000