Thread-to-3/8" hex arbor shank adapter designed for diamond core bits and hole saws Key benefits Converts threaded diamond core bits and hole saws to a 3/8" hex shank so they can be used with common hammer electric drills. Saves time and money by allowing you to use existing bits with a standard drill without needing a dedicated arbor or different drill. Simple, secure connection reduces wobble and improves drilling accuracy and control. Built for repeated use — made from quality materials to withstand normal drilling stresses and deliver reliable performance. Features and compatibility Function: adapts threaded bit/hole saw to a 3/8" hex arbor shank for use in hex-chuck or quick-change drill chucks. Compatible with: diamond core bits and hole saws that use a matching thread. Drill type: fits hammer electric drills and other drills accepting a 3/8" hex shank. Size compatibility: 5 8 11 to hex (as supplied). Construction: made from quality materials for durability and consistent operation. Package: 1 piece. Practical use scenarios Tile and masonry openings: attach a diamond core bit to cut precise holes for plumbing or fixture installs using a hammer drill. Electrical and plumbing work: convert hole saws for quick, on-site hole cutting in wood, thin metal, or drywall when a compatible threaded hole saw is available. General workshop use: quickly switch between bits and standard 3/8" hex drills for maintenance, retrofit, or small renovation tasks. Why choose this adapter Straightforward, no-fuss solution to adapt threaded core bits and hole saws to a standard 3/8" hex drill interface. Compact, single-piece design makes it easy to store and carry with your drill kit. Practical addition to any drill set when you need flexibility between threaded bits and hex-shank drills. Contents 1 piece adapter (thread to 3/8" hex arbor shank)