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Feature

Double ended drill bits have twice the drilling life of normal drill bits and is perfect for machinists, stationary drills, and production work
Extra strong, heat resistant M35 cobalt high speed steel does not wear out fast providing long service life
High speed 135 split-point tips not only penetrate through sheet metal faster, but last six times longer, self-center and provide a true start
Double sided drill bit has a versatile design to work with carbon steels, alloys, sheet metal, wood, plastic, PVC, drywall, composition board, and more
Straight shank #30 bits function as body drill bits for making 1/8-inch rivet holes

Description

Neiko Tools #30 double sided drill bits are made for the needs of machinist and production work. With two ends, these bits will last twice as long before they need to be resharpened. Made with M35 cobalt high speed steel, these bits are not only extra strong but heat and wear resistant. Cobalt steel also makes these bits more versatile, they are suitable for drilling through carbon steels, alloys, sheet metal, wood, plastic, PVC, drywall, composition board, and more. With a 135 degree split tip, they are more efficient than standard twist bits for penetrating sheet metal, last six times as long. The split tipped end is also more balanced providing a true start and allowing the bit to auto-center while drilling.