1、Suitable for processing high-hard parts such as stainless steel, mold, steel, heat-treated steel 2、Suitable for CNC machine tools and machining centers, not for key machines, general machine tools, etc. 3、Suitable for finishing, not suitable for roughing 4、Made of tungsten steel material, coated on the surface, not easy to damage 5、The product has ability to cut workpieces with hardness below HRC65° Features: 1. Suitable for processing high-hard parts such as stainless steel, mold, steel, heat-treated steel 2. Suitable for CNC machine tools and machining centers, not for key machines, general machine tools, etc. 3. Suitable for finishing, not suitable for roughing 4. Made of tungsten steel material, coated on the surface, not easy to damage 5. The product has ability to cut workpieces with hardness below HRC65° Specification: Condition: 100% Brand new Item Type: Milling Cutter Material: Tungsten steel Helical Angle: 45° Grain Size: 0.2um Coating: NACO nano coating Cutting Hardness: Workpiece below HRC65° Optional Style: 4x10x4Dx50L, 4x16x4Dx75L, 4x20x4Dx100L 4x10x4Dx50L: Blade Diameter: Approx. 4mm / 0.2in Blade Length: Approx. 10mm / 0.4in Whole Length: Approx. 50mm / 2in Handle Diameter: Approx. 4mm / 0.2in 4x16x4Dx75L: Blade Diameter: Approx. 4mm / 0.2in Blade Length: Approx. 16mm / 0.6in Whole Length: Approx. 75mm / 3in Handle Diameter: Approx. 4mm / 0.2in 4x20x4Dx100L: Blade Diameter: Approx. 4mm / 0.2in Blade Length: Approx. 20mm / 0.8in Whole Length: Approx. 100mm / 3.9in Handle Diameter: Approx. 4mm / 0.2in Package List: 1 x Milling Cutter