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[Province: Zhejiang ]   
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PARALLEL TWIN SCREW & BARREL
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PARALLEL TWIN SCREW & BARREL

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Description:
PX-Ø65/2\Ø80/2\Ø90/2\Ø105/2\Ø125/2\Ø146/2\Ø150/2
Length/Diameter Ratio: 18~25
The compression ratio of the screw can be designed according to different products and mixtures.
TECHNICAL SPECIFICATIONS:
Material : Quality 38CrMoAlA
Hardness After Hardening & Tempering : HB240-280
Nitrided Hardness : HV850-1000
Nitrided Case Depth: 0.45~0.7mm
Nitrided Brittleness: Less Than Grade 2
Surface Roughness: Ra 0.4
Screw Straightness: 0.015mm
Surface Chromium-Plating's Hardness After Nitriding:≥900HB
Chromium-Plating Depth: 0.05~0.10mm
Alloy Hardness: HRC50-65
Alloy Depth: 0.8~2.0mm

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Ms. Hara
Tel: 86-574-87632852
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Ningbo Fantai Fishing Tackle Factory
A29 district lane166 huancheng north road, Ningbo, Zhejiang, China (Mainland) / 315021
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