Milwaukee MX4 4-Cutter SDS-Plus Rotary Hammer-Drill Bit 3/16 in. x 4 in. x 6 in.

The enhanced rebar guards and 4-Cutter 90 head design of these bits provide increased life and durability in hard aggregate and rebar. Breaker point pulverizes the material more effectively, resulting in faster drilling speeds. Additionally, these bits feature a centering tip for exact spot drilling, wear mark indicator indicating when the bit no longer meets ANSI diameter requirements, and a reinforced flute for durability and minimized vibration.