HYKE 10PCS 1/4"X7" SDS Concrete Masonry Drill Bits Carbide Tip

10PCS 1/4" 7" SDS Concrete Masonry Wall Hole Kits Drill Bits Produced By Electric drill bit. Sand drill bit, SDS shank, slot tip. The versatile slot drive fits all drills that specify SDS shank. Positive drive slots will provide maximum and hammering for quicker , for Concrete, Masonry, Wall, Brick, Stone.