Sell Irwin Masonry Drill Bit, Drill Bit for Concrete, 3mm , 4mm, 5mm, 6mm, 8mm, 9.5mm Masonry bit best price

These are sold per piece. These are generic Irwin masonry drill bits that will fit all hammer drills with 3-jaw or Jacobs chuck. These have Chrome vanadium shaft through-hardened to 50-53HrC and up to 150% faster than other competitive bits. This is for your concrete drilling needs Drill bit for concrete available sizes: diameter x length 3x70mm (Approx. 1/8") 4x80mm (Approx. 5/32") 5x90mm (Approx. 3/16") 6.5x105mm (Approx. 1/4") 8x120mm (Approx. 5/16") 9.5mm Fits all hammer drills and hand drill Hot isostatically pressed to extend life and resist breakage Copper braze material gives high heat resistance for reduced tip loss All tips made to ANSI specifications