Looking for Answers about Irwin SDS-Plus Hammer Drill Bit - 8in.L, 3/4in. dia., Model# 322047?

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 (in.): 3/4, Length (in.): 8, Includes (qty.): 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