SDS-plus Hex Drives, 7 1/4 in, 3/16 in Dia.

Fits all SDS-plus and Hilti TE-C rotary hammers. Reduced area above the flute prevents the drill bit from binding while drilling--the full usable length can be utilized. Chrome vanadium shaft through-hardened to 50-53HrC. Patented tip and flute design removes dust more efficiently, up to 25% faster than other bits. Shot-peened, double-tempered finish reduces breakage.