Bosch carbide rotary hammer bits feature tips that stay sharper longer and deliver more holes within specification than competitive bits. The Bosch HC5026 11/16-Inch x 16-Inch x 21-Inch SDS-max SpeedX Rotary Hammer Carbide Bit is manufactured to ANSI specification B212.14. SDS-max rotary hammer bits fit Bosch SDS-max hammers and competitive SDS-max drive hammers and Hilti hammers using TE-Y and TE-FY shanks. Unrivaled power from solid carbide head with robust S-cutter design for added speed and life.