Key benefits Delivers true roundness of 0.8 um for precise cylindrical parts and repeatable machining results Body accuracy of 0.003 mm with carburizing depth greater than 0.8 mm provides consistent core dimensions and enhanced wear resistance Surface roughness greater than 0.8 mm combined with hardness above HRC 55 delivers durable performance in demanding applications Standard speed of 30000 rpm enables efficiency and faster production cycles Specifications True roundness: 0.8 um Body accuracy: 0.003 mm Carburizing depth: > 0.8 mm Surface roughness: > 0.8 mm Hardness: > HRC 55 Standard speed: 30000 rpm Applications and use scenarios Precision shaft machining: Achieve tight roundness and tight body tolerance in automotive and bearing components to ensure smooth operation and fit Carburizing treated parts: Use for gears, cams, and load components where a carburized depth > 0.8 mm and hardness above HRC 55 improve wear life and reliability speed finishing and grinding: Suitable for operations requiring rotational speeds (30000 rpm) to improve production throughput while maintaining consistent geometry and hardness Notes Specifications should be applied as listed to ensure performance expectations are met in compatible processes and setups