piston pin bushing with screw thread Environmental protection ISO9001:2008; Tolerance:+/-0.0001mm ECO- ... material stainless steel piston pin bushing with screw thread Specifications:1) Suitable for various automotive, electronic, telecommunications, ... , Mitutoyo fineness instruments for inspection, EDM, high speed CNC machine, Sodick wire EDM, etc. 3)Quality control equipments: roundness ...