Description

Straight, Double Fluted Step Drill Bits from Klein Tools provide cleaner cutting and drilling. The aluminum titanium coating is 10 times more durable than steamed black oxide for longer bit life. 3/8in. hex shank is durable, and has a firm, positive grip. Laser-etched markings provide quick size identification on primary holes. This step bit has 3-hole sizes from 7/8in. to 1-3/8in. (22.2 to 34.9 mm). 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 Fast-starting, non-walking drill tip For use on steel (up to 16 gauge), wood, plastic, and aluminum 7/8-Inch to 1-3/8-Inch (22.2 to 34.9 mm), 3-Step sizes Model Number: KTSB15. Age Group: adult.