Item Type: 30 Carving Cutter_x000D_Material: Tungsten Steel_x000D_Specification: 4 x 1.0 x 30_x000D_Shank Diameter: Approx. 4mm / 0.16in_x000D_Tip: Approx. 1.0mm / 0.04in_x000D_Length: Approx. 45mm / 1.8in_x000D_Angle: 30_x000D_Applicable Machine Tool: Grinder 1The engraving knife is 2-flute straight groove, suitable for grinders, for various workpiece engraving operations 2The cutter bit has high hardness, it is not easy to warp or break during processing, and the cutting is glossy and without burrs. 3Milling cutter is finely polished, the surface finish is good, the milling is glossy, and the speed is fast. 4Made of tungsten steel material and has higher hardness, higher strength, corrosion resistance and rust resistance than ordinary carving cutter. 5The V?shaped carving knife has a large chip flute, high accuracy 30 and smooth chip removal.4 x 30 Carving Cutter