Irwin Irwin Hss 29/64 " Dia 3/8 " Reduced Carded

Revolutionary tip design stays sharper longer and drills up to 10x faster than other leading drill bits Three-flatted shank design provides better chuck grip and reduces slippage Ideal for use in keyless chucks Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistance 38" reduced shank fits all 38" drills