BLUE BOAR Dry Cutting Diamond Core 5/8"-11 Adapter, Centering Bit and Hex Wrench

Description

Make it easy to start a hole with a hand-held core drill. The carbide-tipped centering bit, with the stablizer square (ordered separately) helps stabilize the core bit until it penetrates the surface being drilled. After the core bit is sufficiently started, the starter bit is easily and quickly removed.