Spline Standard Tip Drill Bits, 5/8 in x 31 in x 36 in

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.