Milwaukee M/2 2-Cutter SDS-Plus Rotary Hammer Drill bits are the Most Durable 2-Cutter bits with up to 20% more holes per charge in cordless rotary hammers. The enhanced rebar guards provide increased durability in hard aggregate and rebar. Breaker Point pulverizes the material more effectively resulting in faster drilling speeds. The variable flute allows for maximum debris extraction leading to up 20% more holes per charge in the cordless rotary hammers while making it a very durable bit in corded and cordless rotary hammers.Find the ROTARY HAMR BIT 9/16X18 at Ace.