Square hole drill bit adapter mortise tool fixing bracket Key benefits Fast setup and removal: tool designed for quick installation and removal so you spend less time changing tooling and more time working. Better control and consistent results: holds the drill adapter securely to improve stability and accuracy during squarehole and mortise cutting. Built for electric drills: tailored to work with common handheld electric drills for straightforward integration into existing toolkits. What it does Secures a squarehole/mortise bit adapter to your electric drill for smooth, efficient drilling operations. Simplifies alignment and clamping so you can produce repeatable mortises and square holes with less fuss. Compatibility and sizing Intended for use with electric drills only. Fits drills with an exposed clamping part approximately 20 mm wide. Accepts drill bodies or clamping diameters between 38 mm and 43 mm. Confirm your drill's exposed clamp width and diameter before use. Performance highlights Quickrelease style mounting for rapid tool changes on job sites or in the workshop. Designed to minimize setup time and keep the adapter steady during cutting for cleaner edges and improved accuracy. Typical applications Installing door or cabinet hinges: speed up cutting clean, consistent mortises for tightfitting hardware. Furniture joinery: create square socket holes for tenons, loose tenons, or other joinery work. Lock and latch installation: accurately cut mortises for locks, strikes, and faceplates during door fitting or . Notes Verify drill dimensions before to ensure proper fit. Compatible only with electric drills meeting the specified exposed clamp width and diameter ranges.