Irwin 5/8 In. x 4 In. x 6 In. SPEEDBOR Drill Bit
Eds-plus standard tip speed hammer drill bits fits all ads-plus and Hi-ATB tin-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 50-53Hr C
Patented tip and flute design removes dust more efficiently – up to 25% faster than other bits
Shot-peened, double-tempered finish reduces breakage
Copper braze material gives high heat resistance for reduced tip loss