Best Proto Hole Punches in 2026

Manual drive knockout punches, for use with ratchet, wrench, or electric driver. Conduit punch sizes: 1/2",3/4",1",1-1/4",1-1/2",2"

Capacity: Mild steel plate through 10 gauge (3.5mm) Works to punch Mild steel, Brass, Copper, Aluminum (soft alloys only), Fiberglass and plastic.

Slug splitting design on punches allows for easier slug removal – the smooth operation leaves the round hole with clean edges and a uniform size. Manual punch works great in tight areas. Punch dies feature laser engraved alignment marks for easy and precise positioning.

Powerful 9 US TRUE TON Punching Capacity. Compatible with GREENLEE and other domestic punch tooling 3/4"-16 threads.

6 Die Sets for conduit fitting size: ½, ¾, 1, 1¼, 1 ½, 2". All dies have laser engraved alignment marks for easy and precise positioning.

Punching Thickness Capacity: 1/8 inch (11 ga) Steel Punching Capacity, 1/16 inch Stainless Steel.

True 13 US ton hydraulic knockout punch with 10 dies. All dies have laser engraved alignment marks for easy and precise positioning. Compatible with GREENLEE and other domestic punch tooling - 3/4-16 & 3/8-23

10 dies for conduit fitting sizes: ½", ¾", 1", 1¼", 1 ½", 2", 2 ½",3", 3 ½", 4" - Complete kit comes in a rugged storage case with a 5 Year Warranty

Slug splitting designed dies for easy slug removal that leaves a round hole with clean edges and a uniform size is provided on punch sizes ½", ¾", 1", 1¼", 1 ½" & 2"

MANUAL KNOCKOUT KIT: Made for use with the new Greenlee KRW-1 High-Leverage Ratchet Wrench and includes 1/2", 3/4", 1", and 1-1/4" slug buster punches and dies, draw studs, and a carrying case

PUNCHES A VARIETY OF MATERIAL: Makes it easy to create punch holes for most conduit sizes in mild steel, up to 10-gauge aluminum, brass, copper, fiberglass, and plastics

USER-FRIENDLY DESIGN: Slug-Buster punch profile allows for easier slug removal, and the ergonomic knurled edge on the punches provides a firm, comfortable grip during use

Powerful 8 US TRUE TON Punching Capacity. Compatible with GREENLEE and other domestic punch tooling 3/4"-16 threads.

6 Die Sets for conduit fitting size: ½, ¾, 1, 1¼, 1 ½, 2"

Punching Thickness Capacity: 1/8 inch (10 ga) Steel Punching Capacity, 1/16 inch Stainless Steel.

For use in Greenlee hydraulic drivers 7646 and 7625

Punch and die are required for operation

Slug-splitter SC heavy-duty punches are designed to punch up through 10 gauge (3.5 mm) stainless steel

Powerful 8 US TRUE TON Punching Capacity. Head can be freely selected 360°，Compatible with GREENLEE and other domestic punch tooling 3/4"-16 threads.

6 Die Sets for conduit fitting size: ½, ¾, 1, 1¼, 1 ½, 2"

Punching Thickness Capacity: 1/8 inch (10 ga) Steel Punching Capacity, 1/16 inch Stainless Steel.

True 15 US ton hydraulic knockout punch with 10 dies. Compatible with GREENLEE and other domestic punch tooling - 3/4-16UN & 7/16-20UN

10 dies for conduit fitting sizes: ½", ¾", 1", 1¼", 1 ½", 2", 2 ½",3", 3 ½", 4" - Complete kit comes in a rugged storage case

Dies for easy slug removal that leaves a round hole with clean edges and a uniform size is provided on punch sizes ½", ¾", 1", 1¼", 1 ½" , 2",2 ½",3", 3 ½" & 4"

Powerful 15 US TRUE TON Punching Capacity. Compatible with GREENLEE and other domestic punch tooling 3/4"-16 threads.

10 Die Sets for conduit fitting size: ½, ¾, 1, 1¼, 1 ½, 2",2-1/2",3"3-1/2",4" .

Punching Thickness Capacity: 1/8 inch (10 ga) Steel Punching Capacity, 1/16 inch Stainless Steel.

Powerful 8 US TRUE TON Punching Capacity. Compatible with GREENLEE and other domestic punch tooling 3/4"-16 threads.

6 Die Sets for conduit fitting size: ½, ¾, 1, 1¼, 1 ½, 2"

Punching Thickness Capacity: 1/8 inch (10 ga) Steel Punching Capacity, 1/16 inch Stainless Steel.

Punches 2-5/8 IN (66. 7 mm) diameter hole in metal studs for professional-looking installation of 2 IN water, vent, waste pipes. Two-speed lever action for fast, easy punching of 24 to 20 gauge thick metal studs. 2-1/8 IN (54 mm) throat width fits over most studs and channels. High strength alloy aluminum c-frame and handle provides lightweight tool for easy handling-10. 6 lb. (4. 8 kg) Lever action punch retraction strips punch out of metal stud fast and easy.

United States Workforce

Seven US Based Manufacturing Facilities

Slug-Buster Replacement Punch for 1/2 inch Conduit Size

7/8 inch (22.500 mm) actual hole size

Capacity Mild Steel : 10 gauge (3.500 mm)

The Package Length of the Product is :7.7 inches

The Package Width of the Product is :1.1 inches

The Package Height of the Product is :3.8 inches

Punch unit includes punch, die, draw stud and nuts

Cut-out and mounting slots are punched in one operation

Fast, accurate panel punching with no sawing or filing required

Self-centering punch aligns itself on pilot hole

No need to draw crosshairs or line up die alignment marks

Designed for stainless steel applications up to 10 gauge material thickness

Speed Punch saves time and money with every hole

Up to 3 times faster setup and disassembly

No thread punch design eliminates cross threading

Round Standard Metal Punch Units are complete units consisting of punch, die and draw stud.

Properly assembled through pilot holes, they will make clean, fast and accurate holes.