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Quick Details

  • Place of Origin: Zhejiang, China (Mainland), Zhejiang, China (Mainland)
  • Brand Name: shenglong screw, Shenglong
  • Model Number: parallel screw and barrel
  • parallel screw and barrel: parallel screw and barrel
  • screw barrel: screw barrel

Packaging & Delivery

Packaging Details wooden case
Delivery Time 25-40days


We have outstanding theoretical background and practical experience, providing optimum designs of screws and barrrels for our cu

 parallel screw and barrel



1) High Quality 38CrMoAlA

2) Advanced Nitride Processes

3) Corrosion & Abrasion Resistance Bimetal Spraying Process

Technical Parameters


1) Nitride Depth: 0.55-0.7mm

2) Nitride Hardness: 850-960HV

3) Surface Roughness: Ra≤0.8um

4) Screw Straightness: 0.015mm

5) Bimetallic Hardness: HRC50-62

6) Bimetallic Depth: 1.5-2.0mm


1) Nitride Depth: 0.55-0.7mm

2) Nitride Hardness: 960-1020HV

3) Surface Roughness: Ra≤1.6um

4) Bimetallic Hardness: HRC50-65

5) Bimetallic Depth: 1.5-2.0mm





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China (Mainland) | Manufacturer, Trading Company
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Supplier's Trade Assurance Limit: US $43,000
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