Features and Benefits:�6-solted Adapter for 1-1/4"-7�Adaptor for Hilti Core Drill�Desgined for Milwaukee Core Bits�For use with core bits with 1-1/4"-7 threadsThis core bit adapter from Milwaukee® may be exactly what you need to keep your next project moving. Even the most expensive drills are worthless without the proper drilling equipment. This core bit adapter helps you carry out tough jobs like cutting through concrete, brick, pavers, stone, and more.