3″ Conduit Punch and Die for Hydraulic Knockout Driver – 3.54″ Actual Hole Size

About this item Conduit Hole Size: 3″ Conduit Fitting Size: 3″ Actual Hole Size: 3.54″ Dies have laser engraved alignment marks for easy and precise positioning. STANDARD THREAD – Fits Draw Stud Size: 3/4″-16UN Punching Thickness Capacity: 1/8″ (10 ga) Steel, 1/16″ Stainless Steel They are designed to punch holes in various materials, including steel, stainless steel, brass, copper, aluminum (soft alloys only, not for use with 6061, 7075, and other super alloys), fiberglass, plastic, and more.