Century Drill And Tool Black Oxide Impact Pro Drill Bit 1/2″ Brand_Markwort comes fully assembled with pre-drilled

comes fully assembled with pre-drilled holes on the side and bottom for a quick installation

Over-sized ring prevents the plug from being drawn into the pipe during testing

Multiple applications: Marine

easy install with minimal learning curve for new laborers

Century Drill And Tool Black Oxide Impact Pro Drill Bit 1/2″ Brand_Markwort comes fully assembled with pre-drilledImpact Pro Black Oxide Drill Bit made from premium M2 steel to withstand heat and wear under rigorous drilling applications Single piece fully ground construction lasts 6 times longer than two piece constructed drill bits Designed for use in soft metal, mild steel, wood, plastic and PVC