DRILL BIT 7/8 X 18 X 23SPLINE 4C

Fits all spline rotary hammers. Patented flute geometry removes dust from the hole quicker for fast drilling and long life. Shot-peened, double-tempered finish reduces breakage. Copper braze material gives high heat resistance for reduced tip loss. Chrome vanadium shaft through-hardened to 50-53HrC.