6″ Diameter Diamond Carbide Core Drill. Part of the NEW Ratio Bit System. Premium micro-grain diamond carbide for super fast dry coring of concrete, cement, asphalt, brick, block and all lapidary. Great for soil testing, radon mitigation and professional applications. The best dry coring bit in it’s class. Made in Germany.
Requires the Starter Pilot Bit.
Requires the Starter Pilot Bit.
