Irwin Drill Bit Set, Cobalt Alloy Steel, Jobber 21 Piece latest in sealed package

Irwin Tools IRWIN Drill Bit Set, Cobalt Alloy Steel, Jobber, Fractional, 21-Piece (63221)Drill bits are made of M-42 5% Cobalt Alloy Steel high-speed steel for super abrasive resistance in tough metals135° split point reduces feed pressure for easy penetration without work hardeningEach drill bit has a heavy-duty spiral flute design that produces faster chip ejectionShorter cutting lips reduce torque for drilling in high-tensile-strength materials135° split point reduces feed pressure for easy penetration without work hardeningEach drill bit has a heavy-duty spiral flute design that produces faster chip ejectionShorter cutting lips reduce torque for drilling in high-tensile-strength materialsCobalt drill bit set comes in a metal index caseWe ship and answer questions Mon-Fri 8-5 central standard time.Please note we do not ship Saturday & Sunday flawless for everyday use. supreme materials and excellent craftsmanship ensure long-lasting durability.