Greenlee 00042 Slug-Buster Self Centering Knockout Draw Stud, for 1/2-Inch Conduit Punches Ridgid Copper and stainless steel tube

Copper and stainless steel tube and fitting capacity 1/2" - 4" (12 mm-108 mm) For ASTM B88 types K

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Greenlee 00042 Slug-Buster Self Centering Knockout Draw Stud, for 1/2-Inch Conduit Punches Ridgid Copper and stainless steel tubeSelf 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.