The Milwaukee 8Pc SDS Plus Drill Bit Set includes our MX4 Drill Bits. The sizes in the set range from 5mm x 115mm to 12mm x 160mm. Our MX4 Drill Bits that have symmetrical 4 cutter geometry (4 x 90°) & perfect round holes for optimal anchor fitting. The high volume 4 flute geometry ensures the optimum removal of dust and debris. A welded solid carbide tip on ø 5-10 mm allows for wider flute entrance leading to increased speed. The 4 breaker points pulverize material more efficiently for faster drilling, with enhanced rebar guards for an