Century Drill & Tool 84416 Fast Spiral Masonry Drill Bit 1/4x4 (Pack of 2)

Century Drill & Tool 84416 Fast Spiral Masonry Drill Bit 1/4x4 (Pack of 2)-------------------------------* Fast spiral design rapidly removes debris for improved performance in conventional cordless or electric drills.* Precision electronically brazed special grade tungsten carbide tips.* Drill in brick concrete stone marble tile plaster and other masonry materials.Features and further details-------------------------------* 5/16" shank.