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Product Description
Irwin - Hanson 63221 21pc Cobalt High Speed Steel Drill Bit Set* 21-piece set in metal index case includes drill bit sizes 1/16" through 3/8" in 1/64" increments
* Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
* Heavy duty spiral flute design produces faster chip ejection
* Shorter cutting lips reduce torque for drilling in high tensile strength materials.
* 135-degree split point reduces feed pressure for easier penetration without work hardening
Warranty Information
IRWIN Industrial Tools
manufactures and distributes professional grade hand tools and power tool accessories worldwide for
trade professionals who demand superior performance and durability on the job. IRWIN Industrial Tools'
brand portfolio features user-preferred category leaders such as IRWIN®, Vise-Grip®, Marathon®,
Quick-Grip®, Speedbor®, Strait-Line®, Unibit®, and Hanson®. For over a century, innovation has been the
hallmark of IRWIN Industrial Tools. Beginning in 1885, with the development of the first IRWIN Auger
Bit, and progressing with the introduction of Vise-Grip Locking Tools, SPEEDBOR Flat Bits, MARATHON Saw
Blades, and QUICK-GRIP Bar Clamps, IRWIN has been at the forefront of the industry, creating superior
tools for the professional tradesman.
Irwin Industrial Tools
8008665740
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