Item Type: Milling Cutter Specification: 4 x 17 x 45 Material: Tungsten steel Coating: Nano blue coating Shank Diameter: Approx. 4mm / 0.16in Head Diameter: Approx. 4mm / 0.16in Blade Length: Approx. 17mm / 0.7in Total Length: Approx. 45mm / 1.8in Package List 1 x Milling Cutter 1The milling cutter is a singleflute spiral milling cutter with fast processing speed and good chip removal effect. 2The blade adopts mirror grinding technology, the appearance is not rough, and the milling is glossy and does not stick to the knife. 3Made of tungsten steel material, with high hardness and strength, wear resistance and corrosion resistance. 4The blade has a nano-blue coating, which can prevent dust and oxidation and extend the service life. 5The milling cutter is mainly used for plane milling, notch milling, step face milling and profiling milling.