Harden Industry Ltd: Qingdao, Shandong, China; Main products: Scrap Shredder, Scrap Compactor, Baling Press, Lab Extrusion and Mixing, Plastic compounding, Pipe Printer, Socket Welding, Screen Changer, Screws and Barrels, Pipe Socket Belling Machine, etc.

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Single Screw and Barrel

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Negotiable / Set

1 Set(Min.Order)

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Product Details

Brand Name

Harden

Place of Origin

China

Single Screw and Barrel Ranges:

Screw Diameter:	15mm -300mm
Screw Length:	L/D ratio 15 - 46

Single Screw and Barrel Technical Specifications:

Steel Material	DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA
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 on screw flight and bimetallic barrel
Screw straight tolerance	0.015 mm/m
Surface roughness	Ra 0.4μm

Harden Industry Ltd: Contact nameC.W.Tu
Chat Now; Phone86-20-87566110; AddressSuite 705, Tianhedong 242#, Guangzhou, China, Qingdao, Shandong

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