Milwaukee 3-Piece Step Drill Bit Set for Multi-Material, 35mm Max, 4mm Min, Steel Bits

The Milwaukee step drill bits far surpass the competition. With a single cutting edge design, you will have more control and a cleaner finish. Made of high speed steel, these new step drill bits are durable and designed to drill through most metals. The black oxide finish prevents corrosion and has great capacity to work with drilling lubricants.

Black oxide finish resists corrosion for longer life
Rapid strike 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
Single cutting edge provides true round holes every time