Accessories of screw and barrel for injection and extrusion machine 、back-up ring、sealing ring、flange、nozzle、screw head, inside and outside nozzle for specialized nylon, hydraulic flange
Base material : tungsten alloy, SKD61,SACM645,SACM425,SACM440
Processing method：casting hardening nitriding black coating
Processing range: inner diameter φ16 - φ200
Effective length:
Nitriding depth
Hardening hardness
straightness
thickness of Chrome plated
Applying to:normal plastic、PP、PE、ABS、AS、PS and so on.
