... ,C1010,C1018,C1022,C1035K,C1045 8, Alloy steel: SCM435,10B21Specification& gaugeM0.8-M10Surface FinishingZn- Plated,Ni-plated, ... ,Hardening,Spheroidizing,Stress Relieving.StandardISO,GB,DIN,JIS,ANSI,BSWManufacture ProcessHeading/washer assembly/Threading/Secondary machine/heat ... quality monitoring, QC strictly defers to "the regulations" to carry on the examination to the product, leaves the plant ...