Sds Plus 4-Cut Mas Drill Bit 1/4 Cutting Length 4 Overall Length 6-1/2, Century Drill & Tool, Mfr#: 83616

SDS Plus Sonic Masonry Drill Bit. 4-Cutter Tip Prevents Seizing While Drilling In Reinforced Concrete. Crushes 20X Faster Than Standard Masonry Drills. Reinforced Crushing Tips Minimize Vibration And Protects Carbide From Breakage. Self-Centering Crushing Point For Accurate Drilling