Features 1、This product is used for slotted and wood screws. Greatly improves wear resistance and hardness, and reduces the coefficient of friction. 2、Woodworking cutters for portable and desktop woodworking engraving machine, can not be used in electric drills, drills, etc. 3、Tool can be hardwood, cork, wood and other synthetic woodworking workers smooth surface, but to avoid the processing of copper, iron and other metal materials and sand. 4、The alloy T slot milling cutter has has high hardness, good toughness, wear resistance, bending resistance and heat resistance. 5、Suitable for machining T slotting, straight slotting, side grooving and half round keyway on the work piece, practical and useful. Specification Item Type: T Slot Cutter Material: Alloy Opening Diameter: Approx. 9.52mm/0.37in Total Length: Approx. 46mm/1.81in Shaft Diameter: Approx. 6 mm /0.23in Note: 1. Manual measuring, please allow 1 ~ 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package List 1 x T Slot Cutter