... ) etc.Heat TreatmentTempering,Hardening,Spheroidizing,Stress Relieving.StandardISO,GB,DIN,JIS,ANSI,BSWManufacture ProcessHeading/washer assembly/Threading/Secondary machine/heat ... ShippingSample Availablitywe can make sample within 7 days free of charge if there is available tool for us. ... 90 CMWarrantywe confirm our goods will satisfy yr request of 100%,and have 18 month warranty.Aftersales servicewe ...