Milwaukee 48-20-3918 SDSMAX 4CT 5/8"X15-1/2" X 21"

Breaker points for up to 20% faster drilling speeds. Rebar guards for increased durabilty in hard aggregate and rebar. Variable flutes for up to 15% more holes per battery charge. Reinforced Flutes to avoid bit breakage. Wide flute entrance for increased faster dust removal.