Drill Head Adapter

Drill Head Adapter by Inland (WB-317) for WB-Drill Bits

DIAMOND CORE DRILLS BY INLAND
Diamond-coated Core Drills have a 3/8″ (10mm) shaft and fit most hand drills and drill presses. Numerous diameters make them valuable for drilling a wide range of materials including glass, ceramic, marble, plastic and fiberglass. For best results, core drills larger than 1/2″ should only be used in a drill press.