Milwaukee® step drill bit, single end, metric, 4 mm minimum hole dia, 20 mm maximum hole dia, 5.38 in OAL, 3 in cutting depth, 9 steps, 1/16 in step depth, 1/4 in shank, 3-flat Secure-Grip™ shank, HSS, black oxide.
Features
- Three-flat Secure-Grip™ shanks - reduces bit slippage in the chuck
- Jam-free performance - dual-flute design provides greater speed and control
- Laser-engraved reference marks - easily stop on any hole size
- Made in the USA
- Rapid Strike™ tip - creates fast, accurate starts and generates less heat
- Up to 2X faster - optimized for cordless drills in high speed
- Up to 4X longer bit life - optimized geometry with black oxide coating to cut faster and produce less heat
- Up to 50% more holes per battery charge - greater user productivity
