Milwaukee SDS-Max 3/4 In. x 21 In. 4-Cutter Rotary Hammer Drill Bit cast iron Rockwool Comfortbatt compensates for normal

Rockwool Comfortbatt compensates for normal variations in stud centers caused by distortion or warping

Easy-to-read numbers and ruler markings on base and depth guide allow user to measure and follow cuts accurately

Ball bearing lower guard provides long life in harsh environments

nylon fixtures

Milwaukee SDS-Max 3/4 In. x 21 In. 4-Cutter Rotary Hammer Drill Bit cast iron Rockwool Comfortbatt compensates for normalSDS 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