1、1. 100% brand new and high quality. 2、2. Incisive cutting edges for ultra-thin cutting and precision machining. 3、3. Wear resistant and anti-impact, with longer service life than alloy or ceramic cutter tool. 4、4. Selection of high quality boron nitride, manufactured with seamless welding process. 5、5. Suitable for cast iron, hardened steel, carbide, bearing steel, high speed steel, tool steel, etc. Features: 1. 100% brand new and high quality. 2. Incisive cutting edges for ultra-thin cutting and precision machining. 3. Wear resistant and anti-impact, with longer service life than alloy or ceramic cutter tool. 4. Selection of high quality boron nitride, manufactured with seamless welding process. 5. Suitable for cast iron, hardened steel, carbide, bearing steel, high speed steel, tool steel, etc. Specification: Model: 2T-CCGW060204, 2T-CNMA120408, 2T-VNMA160408 (Optional) Material: CBN (Cubic Boron Nitride) Coating: Uncoated Function: End face, inner bore, outer circle, step machining Heat Resistance: 1400-1500℃ Compressive Strength: 500-800MPa Toughness: 9.0MPa.m1/2 Hardness: 3500-5000HV Thermal Conductivity: 200-300W/(M.K) Thermal Expansion Coefficient: 3.5-4.8 10-6/K Weight: 19g (approx.) Package List: 1 * CBN Insert