Min. Order Reference FOB Price
1,000 Pieces US$0.30 / Piece
Product Description
Inserted Screws: Precision - Made for Machinery Materials Carbon steel: 10#, 18#, 1018, 22#, 1022, 40Cr, 45#, 1045, 50#, 55#, 60#, 65Mn, 70#, 72B, 80#, 82B Alloy Structure Steel: B7, 20CrMo, 42Crmo, SCM415, SCM440, 4140 High-carbon chromium bearing steel: GCr15, 52100, SUJ2 ...