Klein Tools KTSB15 3-Step Drill Bit, 7/8'' to 1-3/8''

The Klein Tools® KTSB15 Straight, Double Fluted 3-Step Drill Bit with a fast-starting, non-walking drill tip provides cleaner cutting and drilling from 7/8 to 1-3/8-inch (22.2 to 34.9 mm). It is coated with aluminum titanium nitride which is 10 times more durable than steamed black oxide coating. Applications include steel (up to 16 gauge), wood, plastic, and aluminum. The durable 3/8" hex shank provides a firm, positive grip without spinning out in the drill. It fits standard drills.

The high-speed steel step bit has laser-etched markings for quick size identification on primary holes. 3-hole sizes: 7/8", 1-1/8", 1-3/8". Increment: varies. Overall length: 1.8" (4.6 cm).