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Zhoushan shenglong machinery co.,ltd

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single screw barrel

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single screw barrel

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Our main products are screws & barrels, parallel twin screws & barrels, conical twin screws & barrels, bimetallic screws & barrels as well as screws & barrel accessories. They are widely used in injection molding machines, extruders, rubber processing machines and other plastic and rubber machinery

We supply screws and barrels for plastic extrusion machinery.

Screw & Barrel Ranges:

Injection Molding Machine	Injection Volume: 30g - 25,000g
Single Screw Extruder	Screw Diameter: 15mm -300mm
Conical Twin-screw Extruder	Screw Diameter: 35mm - 92mm
Counter-Rotating Parallel Twin-screw	Screw Diameter: 50mm - 180mm
Co-rotating Twin-screw Extruder	Screw Diameter: 25mm - 120mm

Screw Technical Specifications:

Steel Material	DIN 41CrA1Mo7 / AST M4140
Heat Treatment	Nitride depth: 0.5 mm - 0.7 mm
Surface hardness:	HV900 - HV1, 000
Chromate plating:	Thickness 0.05 mm - 0.10 mm, hardness HV950
Special treatment:	Carbide coating and bimetallic barrel
Screw straight tolerance	0.015 mm/m
Surface roughness	Ra 0.4μm

Inexpensive new made in China for worn off and broken replacement. Alternatives for refurbished and rebuild ones, with satisfactory quality and cost saving for your production need.

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