Klein Tool - Klein KTSB01 Step Drill Bit Double-Fluted #1, 1/8" to 1/2"

These Double-Fluted Step Drill Bits provide faster cutting and drilling than single flute bits. The easy-to-read step markings and targets save time when drilling holes. Thick 3/8'' hex shank provides a firm, positive grip and won't spin out in the drill. Warnings: Always ensure that you and persons in the vicinity wear approved eye protection. - Features: Two flutes cut faster and keep bit cooler; Fast-starting, non-walking drill tip; High-visibility silver step targets for primary hole sizes; Thick 3/8-Inch hex shank provides a firm, positive grip and won't spin out in the drill; 13 hole sizes; Made from high speed steel; 1/32-Inch increments; Two flutes on this Step Drill Bit cut faster and keep bit cooler; Step bits are coated with aluminum titanium nitride and are 10 times more durable than steamed black oxide coating for longer bit life; Double, straight flute removes chips for clean cuts and drilling; Durable, 3/8-Inch hex shank provides a firm, positive grip and won't spin out in the drill; Laser markings are easy to read for quick size identification; For use on steel (up to 16 gauge), wood, plastic, and aluminum; 1/8-Inch to 1/2-Inch (3.2 to 12.7 mm), 13-Step sizes; Aluminum Titanium Nitride Coating; Dual Straight Fluting - Note: Read and follow safety instructions in power tool owner's manual.