Greenlee 00042 Slug-Buster Self Centering Knockout Draw Stud, for 1/2-Inch Conduit Punches

Self-centering punch aligns itself on pilot hole | No need to draw crosshairs or line up die alignment marks | Unique punch also splits slugs for easier slug removal | Use with battery-powered, hydraulic, ratchet or manual drivers | Draw studs must have matching Punch and die to operateAmazon.ca Product Description Greenlee Slug-Busters can be used on mild steel up through 10 gauge (3.5 mm). Application: Punch mild steel, aluminum, fiberglass and plastic. Hole size is outside diameter of US conduit sizes. Example: 1/2-Inch conduit size punch actually makes a 7/8-Inch hole. Operates with battery, hydraulic, ratchet or manual drivers. Draw studs must have matching Punch and die to operate. From the Manufacturer Greenlee Slug-Busters can be used on mild steel up through 10 gauge (3.5 mm). Application: Punch mild steel, aluminum, fiberglass and plastic. Hole size is outside diameter of US conduit sizes. Example: 1/2-Inch conduit size punch actually makes a 7/8-Inch hole. Operates with battery, hydraulic, ratchet or manual drivers. Draw studs must have matching Punch and die to operate.