... ; Tolerance:+/-0.0001mm ECO-material stainless steel piston pin bushing with screw thread Specifications:1) Suitable for ... requirements6)Material: iron/aluminum, copper, alloy, carbon steel, 18CrMnTi,20CrMnTi,20Cr,20CrV,1045 steel, others optional7) Products range: standard ... Ltd. is a private enterprise, established in 2000.• with an emphasis on Researching, Developing, processing and exporting ...