1-3/8″ APEXX Thin wall CNC Core Bit

This core bit is built with a super-soft bond of the highest quality diamonds. The brazed diamond inside of the barrel makes it easy to take out the stone plugs post drilling. Works great on the hardest stones such as ultra compact materials, natural quartzite, hard granite and equally as well on marble and glass. Recommended wet use only, 1/2″ gas thread.