This 7-piece quick-change adapter set for countersink drill bit is a must have for the woodworkers. The universal 1/4-inch quick-change hex shank prevents slipping in standard chucks and is compatible with all 1/4-inch quick-change chucks, including impact drills.
- Steel body design, durable and excellent for use
- Standard 1/4-inch hex shank is quick change compatible
- Set screw for a secure fit and can be adjusted for controlled pilot hole depth