Irwin SDS-Plus Hammer Drill Bit 8 inchL, 3/4 inch dia.

Patented tip and flute design removes dust more efficiently for faster drilling and longer bit life. Extra-short head quickly channels material into flute for faster penetration. Chrome vanadium spring steel shaft with carbide tip. Lifetime limited warranty.Diameter : 3/4 in.Length : 8 in.Quantity 1.Material Chrome vanadium spring steel.6n. useable length, 8in. long, 3/4in. diameter.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.Hot isostatically pressed to extend life and resist breakage.Copper braze material gives high heat resistance for reduced tip loss.Lifetime limited warranty.Model 322047.