This FROST Knockout Punch Set is a quick and easy way to cut clean holes in sheet metal up to 16 gauge.
The special design produces a Burr Free Hole that needs no extra finishing.
A pilot hole is drilled allowing a connecting bolt to join the punch on one side and the die on the other side of the material. Pressure is then applied by tightening the bolt, (with a thrust washer for ease), thus the hole is literally punched out.
Features at a glance:
- Heat Treated.
- Capacity: 3 inches (76.2mm) – 3.5 inches (88.9mm) and 4.5 inches (114.3mm) diameter through Mild Steel up to 1.6mm, Stainless Steel up to 1mm, Sheet Copper, Brass and Aluminum up to 2.0mm.
- Produces Burr Free Holes
Made for FROST – BUILT TO LAST !











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