Custom OEM White UPE Turn Milling Composite Screw Rod Machinery Spare Part This custom screw rod machinery spare part is precision manufactured by multi-axis turn-milling composite machine from white UPE engineering plastic. It features continuous spiral helical profile, consistent pitch, smooth transition surfaces and strict drawing-driven dimensional tolerances. Product Specifications Item Specification Product Type Precision White UPE Screw Rod Turn-Milling Composite