Their SDS+ shanks are compatible with rotary hammer drills. These 3/16-inch Bosch bits are the perfect size for drilling pilot holes for ¼-inch Tapcon concrete screws, and more than provide the ...

If you need to drill holes in masonry or concrete ... you need to drill bigger holes. Masonry bits are required for both types of tool. Drills with a hammer function have a three-jaw chuck ...

If you went to your local home improvement store to pick out a Pro-grade hammer ... cordless drills for the year! Most cordless drills are only rated to drill in concrete with bits up to 3/8- ...