... price/high quality Standard ACME,JIS,DIN,BSW,GB etc.(including non-standard) Diameter 2mm-80mm Length The longest 8000mm Screw pitch ... (lead) Up to 50mm Material SUS304,SUS303,Cr13,2Cr13,3Cr13,40Cr,20Cr,45#,35#,20#,Q235,copper,aluminum ... machines, car and other industry. pls enquiry us Quality Professional manufacturing, high-precision, smooth and clean without burr MOQ 1000 pcs ...