DAM532312 5/32"x3-1/2"OAL Carbide Tipped Concrete Screw Anchor Bit, Drill America, Mfr#: DAM532312$2.15+
1-1/8 in. x 31 in. x 36 in. 4-Cutter MX4 SDS-MAX Rotary Hammer Drill Bit, Milwaukee Tool, Mfr#: 48-20-3967$154.00+
7/16 in. x 10 in. x 12 in. 4-Cutter MX4 SDS-Plus Rotary Hammer Drill Bit, Milwaukee Tool, Mfr#: 48-20-7364$22.97+