Milwaukee® step drill bits with Jam free performance feature a dual-flute design delivering upto 2X faster hole times, upto 4X longer life and upto 50% more holes per battery charge than competitors. Ideal for drilling small and large-diameter holes in steel and plastic, these bits are optimized for cordless drills in high speed. The rapid Strike™ tip allows for a fast and accurate start that generates less heat, resulting in longer bit tip life. Black oxide coating also enhances durability, hole quality and bit life. For user convenience and accuracy, each bit has laser engraved reference marks you can see while drilling. The 3-flat Secure-Grip™ shank ensures a solid connection with the drill chuck. The #1 step drill bit has 13 hole sizes in 1/32 in increments ranging from 1/8 to 1/2 in Jam free performance in high speed with most professional 18 V cordless drills lithium-ion battery technology.

Milwaukee® Step Drill, Imperial, 3/16 in Minimum Hole Dia, 7/8 in Maximum Hole Dia, 2-61/64 in Overall Length, 12 Steps, 1/16 in Step Depth, 12 Hole Sizes, 2 Flutes, 1/2, 1/4, 11/16, 13/16, 3/16, 3/4, 3/8, 5/16, 5/8, 7/16, 7/8, 9/16 in Hole Sizes Cut, 3/8 in Shank, 3-Flat/Reduced Shank, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Steel, Copper, Brass, Aluminum, PVC and Wood

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• Jam free performance - dual-flute design provides greater speed and control|Upto 2X faster - optimized for cordless drills in high speed|Rapid Strike™ tip - creates fast, accurate starts and generates less heat|Upto 4X longer bit life - optimized geometry with black oxide coating to cut faster and produce less heat|Upto 50% 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