Orion Wet Core Drill Bits are a great core bit designed for drilling on granite, marble, ceramic, and other hard stone surfaces. Special design engineering results in smooth coring and core bits that last long. These bits have standard 5/8-11 thread attachment. Use on a Drill - Not a Hammer Drill. Orion Core Bits Side Protection Diamonds provide quick release from the stone and eliminate binding.
The Orion Wet Core Bits must be used only in wet coring. Do not use for Dry Coring