Milwaukee-« Step Drill Bit, 3/16 -7/8 Hole in, 4 Steps, 1/16 in D Step, 2 Flutes, 1/4 in 3-Flat, Hexagonal Shank

Single cutting edge provides true round holes every time. High speed steel make-up is ideal for cutting into stainless steel, aluminum, brass, copper, plastic and more. Black Oxide finish resists corrosion for longer life. Speed start tip starts fast and reduces the risk of bit walking. Laser etched markings for fast, easy hole size identification. 3-Flat shank prevents bit from slipping in the chuck. Set included: (2) #4 Step Drill Bits, 3/16 -7/8 by 1/16. Includes a soft case to carry the set.Jam-free performance - dual-flute design provides greater speed and control

Jam-free performance - dual-flute design provides greater speed and control

Up to 2x faster - optimized for cordless drills in high speed

Rapid strike tip - creates fast, accurate starts and generates less heat

Up to 4x longer bit life - optimized geometry with black oxide coating to cut faster and produce less heat

Up to 50 percent more holes per battery charge: greater user productivity

Laser-engraved reference marks - easily stop on any hole size

3-flat secure-grip shanks - reduces bit slippage in the chuck