Bosch carbide rotary hammer bits feature tips that stay sharper longer and deliver more holes within specification than competitive bits. Manufactured to ANSI specification B212.14. SDS-max(R) rotary hammer bits fit Bosch SDS-max(R) hammers and competitive SDS-max(R) drive hammers and Hilti(R) hammers using TE-Y and TE-FY shanks. Unrivaled power from solid carbide head with robust S-cutter design for added speed and life. Using TE-Y and TE-FY shanks. Unrivaled power from solid carbide head with robust S-cutter design for added speed and life.