The parallel twin-screw and barrel for exturde machine
Negotiable /Piece
Min.Order:100 Pieces
Taizhou City Roadbridge Sanhan Tools Manufacture Firm
Material: Alloy-steel of High-Quality
1)38 CrMoAIA(JIS SACM645)
2)42CrMo(AISI 4140)
3)9Gr18Mov
Heat-treatment
Nitriding treatment
Electoplated hard-chorme finish
Spray coating Bimetallic -alloy