Features: Designed for punching burr-free holes in sheet metal Robust punching holes in sheet metal Die with 2 cutting edges splits the waste material in half and prevents jamming, allowing you to punch burr-free holes with ease. Heat-treated high-alloy steel material ensures strength and durability When you install electrical boxes or switch cabinets and use hydraulic knockout tools to punch through sheet metal, a strong and sharp knockout punch helps you get clean holes you need. We made PRO Punching Die for punching clean and accurate holes with ease. The PRO Punching Die set features a punch with 2 cutting edges that splits the waste material in half and prevents jamming. This means you can make perfect, burr-free holes in steel up to 3 mm thick and stainless steel up to 2.5.
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