5/16" Pilot Bit for SDS-Plus Core Bit

Diablo's pilot bit for SDS-Plus core bits attach to thin wall carbide tipped core bits to provide one of the fastest and longest lasting coring solutions on the market for concrete applications. To use, attach pilot bit to the extension and then simple screw the core bit onto the extension. Optimized with a unique brazing and hardening process, Diablo's thin wall carbide tipped core bits extend life and productivity, allowing users to drill fast, clean holes. Optimized for maximum performance in corded and cordless SDS-Plus rotary hammers. Features: * Compatible with Diablo SDS-Plus thin wall core bits and extensions * Attaches to 4" extensions * Diablo thin wall core bits withstand impact and high heat applications for superior life and productivity versus standard core bits * Carbide teeth produce fast, clean holes * Maximum performance in cordless and corded SDS-Plus rotary hammers