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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Five Star Brand
  • Model Number: Injection Machine screw and barrel
  • Material:: 38CrMoALA(JIS SACM645)
  • Hardness After Hardening & Tempering:: HB260-290
  • Nitrided Hardness:: HV950-1020
  • Nitrided Case Depth:: 0.55-0.85mm
  • Nitrided Brittleness:: Less than Grade Two
  • Surface Roughness:: Ra 0.4
  • Screw Straightness:: 0.015mm
  • Chromium-plating Depth:: 0.02-0.15mm
  • Alloy Hardness:: HRC59-65
  • Alloy Depth:: 2.0-3.0mm

Packaging & Delivery

Packaging Details 1.packed in film
2.oil the products
3.packed in wooden case
Delivery Time Shipped in 15 days after payment
Product Description


We can manufacture various kinds of screws and barrels according to customers' requirement!



Company Information




Zhoushan Fivestar Machinery Manufacturing CO., LTD is located in Jintang town of Zhoushan.The town, which is named as Screws And Barrels Town in China, has excellent geographical location. It is in the north of Ningbo,and in the south of Shanghai. After more than 20 years development, our company has been a famous highquality screws and barrels supplier and pioneer in China. “Five-star” brand is awarded as “China Famous Best-seller brand” for screw and barrel by China Brand and Marketing Strategy Promotion Committee.



The production workshop



The certificates




 ---High quality material.

 The material is from Baosteel in China, HITACHI in Japan and other materials from Germany---New advanced machines.

3 coordinate CNC deep hole drilling machine, CNC milling machines, boring machines, other machines are equipped. 

---Heat treatments.

Hardening, tempering, surface nitriding, chrome plating, high-frequency quenching, vacuum hardening, welding bimetallic powder etc. are available.

 ---Experienced engineers and technicians.

 We have a professional technical team, who always support you.


Quality Control

 ---We are quality control ISO9001:2000 certified company. 

With experienced inspectors and advanced testing tools and equipments, our products can meet Germany/ international standard.



 One year warranty is offered to customers. And experienced engineer team can offer good technical support.



We are a authorized factory to import and export goods by the government. We have export the goods to Germany, Turkey, Malaysia, etc.. 

---With capacity 2000 sets per year, we can make quick delivery.

---Customers’ drawings are welcomed. And we can also design the drawings according to customers’ requirements.

---We can offer products with “ Five-star” brand. And OEM business is welcomed.





To make you an accurate quote, we need your kindly support to provide drawings, quantity, material, heat treatment requirements, destination, etc.


 1.Please send us meassage online now.


 2.Please contact us by E-mail.




 If you have any need, please feel free to contact me. Amy is here!




Transaction History of the Supplier

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Transaction Details

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China (Mainland) | Manufacturer, Trading Company
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11 Transactions 10,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $31,000
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