Features 1、Cubic boron nitride high gloss turning insert. 2、It has very stable chemical properties for ferrous metals. 3、Can be used for roughing and finishing of hardened steel, bearing steel, high speed steel, tool steel and chilled cast iron. 4、It is also suitable for high-speed turning of high temperature alloys, thermal spray materials, hard alloys containing more than 10% co and other material difficult to process. 5、Can achieve turning instead of grinding, greatly improving processing efficiency. Specification Item Type: Turning Insert Heat Resistance: 1400-1500℃ Compressive Strength: 500-800mpa Fracture Toughness: 9.0mpaxm Hardness: >3500-4000HV Thermal Conductivity: 200-300W/(MXK) Thermal Expansion Coefficient: 3.5-408 Processing Materials: It has very stable chemical properties for ferrous metals. It can be used for roughing and finishing of hardened steel, bearing steel, high speed steel, tool steel and chilled cast iron. It is also suitable for high-speed turning of high temperature alloys, thermal spray materials, hard alloys containing more than 10% co and other material difficult to process. Turning can be done instead of grinding, which greatly improves processing efficiency. Optional Model: WNMA080404-CBN, WNMA080408-CBN Package List 1 x Turning Insert