Irwin 73628ZR 73628ZR - DRL 7/16 TMXR JL 135' CARDED

73628ZR Turbomax® High Speed Steel Fractional 3/8" Reduced Shank Jobber Length Drill Bit - 7/16". Standard Features: 736 Series. 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. 3/8" reduced shank fits all 3/8" drills grip. Size: 7/16". Decimal Equiv: .4375. Flute Length: 4-1/16". Overall Length: 5-1/2".