Milwaukee SDS-Max 1-1/4 In. x 21 In. 4-Cutter Rotary Hammer Drill Bit SpectraTile The outside knob is unlocked

The outside knob is unlocked by an emergency key

This 12V drill/driver comes with four dedicated attachment heads (3/8 In

Not for use with solid vinyl tiles and planks or other vinyl backed floor structures

) for driving nuts deep onto bolts or threaded rod

Overstrike protection to help prevent damage

Milwaukee SDS-Max 1-1/4 In. x 21 In. 4-Cutter Rotary Hammer Drill Bit SpectraTile The outside knob is unlockedSDS Max carbide bits feature the SDS Max drive system for fast bit changes and efficient power transfer from the hammer to the bit. Breaker points pulverize the material leading to up to 20% faster drilling speeds. Rear guards protect the bit when hitting hard aggregate and rebar leading to longer life. Variable flutes remove the dust out of the hole more efficiently. Wide flute entrances lead to faster drilling speeds, while reinforced flutes prevent