... +-0.002haft, carbon steel shaft, stainless steel shaft Basic process:1.the shafts are made by customized design, ... make and check3.massive production haft, motor shaft, pump shaft, reducer shaft, crankshaft, carbon steel shaft, stainless steel shaft electro-plated, nickel plated, chrome plated ... hardening, quenching, tempering, all kinds of heat treatmenthighly precision shaf shaft