Add to Cart IRWIN Irwin Silver & Deming High Speed Steel Fractional 1/2" Reduced Shank Drill Bit, 1 1/8" (1 EA / EA) MSRP: Now: $53.53 Was: Bit is constructed of M-7 high speed steel for high resistance to abrasion during tough drilling applicationsThree-flatted shank design provides better chuck grip and reduces slippageIdeal for use in... 585-90172 Add to Cart