Milwaukee® MX4™ 48-20-3986 4-Cutter Rotary Hammer Drill Bit, 1-1/2 in Drill Bit, 45/64 in, 12 in D Cutting, Carbide Cutting Edge, 17 in OAL | State Electric
Sds-plus Drill Bits Milwaukee Mx4 4-blade 7pcs Concrete Drill Bit Set | eBay
Milwaukee 48-20-7911 MX4™ 4-Cutter SDS-Plus Rotary Hammer-Drill Bit 3/16" x 4" x 6" (15 Pack) | World Electric Supply