Features 1、Can be used for milling steel, aluminum, copper and iron and other materials with good cutting performance. 2、The product is very durable, made of high‑speed steel, strong and high hardness. 3、CNC machining accessories, with this milling cutter, the work efficiency can be improved. 4、With great workmanship, can perfect replacement for the old one and has a long service life. 5、The blade width is 5mm, the outer diameter is 16mm, and the shank diameter is 10mm. Specification Item Type: T Slot Cutter Bit Material: High speed steel System: Metric Handle Form: Straight shank Blade Width: Approx. 5mm / 0.2in Outer Circle Diameter: Approx. 16mm / 0.6in Shank Diameter: Approx. 10mm / 0.4in Package List 1 x T Slot Cutter Bit