Irwin 73427 73427 - DRL 27/64 TMXR JL 135' BULK

73427 Turbomax® High Speed Steel Fractional 3/8" Reduced Shank Jobber Length Drill Bit - 27/64". 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. Size: 27/64". Decimal Equiv: .4219. Flute Length: 3-15/16". Overall Length: 5-3/8".