Min. Order Reference FOB Price
1 Piece US$1,000.00-10,000.00 / Piece
Product Description
38 CrMoAla Steel Extrusion double metal screw Barrel 1) 38CrMoAlA(JIS SACM645) 2) 42CrMo(JIS SCM440) 1) 38CrMoAlA(JIS SACM645) 2) 42CrMo(JIS SCM440) Heat-treatment Nitriding treatment Electroplated hard-chrome finish High frequency quenching Spray bimetallic coating Vacuum quenching ...