Specification Brand : TTC BulletPoint : For use in machinery that requires brown & sharpe drawbar end shanks. BulletPoint1 : Aluminum Material: Crafted from premium aluminum, the hole opener bracket is wear resistant, highly robust, and has a long service life, ensuring superior durability in woodworking projects. BulletPoint2 : Efficient and Convenient: The hole drill bit adapter bracket is a professional woodworking tool that can open holes in seconds, significantly enhancing woodworking efficiency and becoming a ally for woodworkers. BulletPoint3 : Universal Design: The hole drill is designed for compatibility with 38 to 43mm electric drill chucks, with a clamping diameter of 19mm, helping ensure accurate and smoothly drilling. BulletPoint4 : Easy to Use: Opening holes with this tool is simple and user friendly, allowing for quick installation or removal. Easy and convenient to use, even beginners can easily master it for seamless woodworking projects. BulletPoint5 : Wide Application: Professional woodworking tool, suitable for most hand drills, except for rechargeable drills (lithium series) and table drills. It is an accuracy hole drilling tool suitable for making mortise and tenon joints for secure connections. CutType : Taper EndCutType : Tapered End ItemName : TTC #9 B&S Taper x 1" Brown & Sharpe Precision End Mill Adapter ItemPackageDimensions_Height : 16.5 centimeters ItemPackageDimensions_Length : 6 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : drill-adapters Manufacturer : TTC Material : High Speed Steel ModelName : Eujgoovyf6siq8bew ModelNumber : Eujgoovyf6siq8bew NumberOfCuttingEdges : 2 PartNumber : 67120964 ProductDescription : Spec: Item Type: Squarehole Drill Bit Adapter Material: Aluminum Size: Approx. 53 x 53 x 150mm / 2.09 x 2.09 x 5.91in Features: Premium Material: The hole drill is made of premium aluminum, wear resistant, high hardness, long service life, and high durability. Efficient and Convenient: A professional woodworking tool, the hole drill adapter can help open holes in a few seconds, greatly improving woodworking efficiency, and is a handy tool for woodworkers. Easy to Use: It's easy to open holes with this tool. You can quickly install or disassemble it yourself, fast and convenient, even beginners can easily get started with it. Universal Design: The hole drill is designed for compatibility with 38 to 43mm electric drill chucks, with a clamping diameter of 19mm, helping ensure accurate and smoothly drilling. Wide Application: Professional woodworking tool, suitable for most hand drills, except for rechargeable drills (lithium series) and table drills. It is an accuracy hole drilling tool suitable for making mortise and tenon joints for secure connections.