Spline Standard Tip Drill Bits, 1 3/8 in x 11 in x 16 in

Features: 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