... Tolerance:+/-0.0001mm ECO-material stainless steel piston pin bushing with screw thread Specifications:1) Suitable for various automotive, electronic, ... ., Ltd. is a private enterprise, established in 2000.• with an emphasis on Researching, Developing, processing and exporting various ... and so on, with an output of over 1 million pieces per month. stainless steel piston pin bushing with screw thread