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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Qunying Screw
  • Model Number: Screw Barrel
  • Item: parallel twin screw barrel
  • Base Material: 38CrMoAlA,42CrMo,SKD61,GH113,etc
  • Bimetallic Screw Process: Spray Welding
  • Bimetallic Barrel Process: Centrifuge Casting
  • Application: Proflie/Granules/profiles/Foaming
  • Diameter for single screw: 35,40,45,50,55,65,60,75,70,85
  • Automatic: Yes
  • Apply for machine: Battenfeld,KMD,CINCINATI,WEBER
  • Certificates: ISO9001008/SGS:2
  • Delivery Date: 30 Days
Product Description

Technical Parameters:

Screw diameter : 10-500mm

Products Show

Product flow

Material cutting→peeling→hardening and tempering→rough turning→qualitative→semi fine turning→qualitative→nature stabilizing grinding→grinding→nitrogenization→lapping finish→CNC thread lathing→polishing till realize end product

Our Company


We are a professional company specialized in manufacturing many types of screw, the barrel can be applied on all types of injection moulding machine,rubber hot-feeding extruder, rubber cold-feeding extruder, pin barrel cold feed extruder, plastic extruder with different specifications.

The models of screw include:

Variable pitch and variable depth, variable pitch and equal depth, variable depth and equal pitch, and equal depth and pitch.

Groove multi-die type, composite type, mixing type and separating type.

The material of screw: 

manufactured with high-quality nitro alloy steel, applying the method of hardening and tempering and nitriding, thus it enjoys the characteristics of long working life, wear resistance, and anti corrosion. Besides, the technique of hard alloy spraying or chrome plating can be used on the working surface of screw, which will make it have better using effectiveness.


Great Service is Our Mission
High Quality is Our Obligation
Customer First,Contact Us Now!

Packing & Delivery

Packaging Details:wooden case (export standard)

Delivery Detail:within 25days after order confirmed

Contact Us

Vicky Fang
Sales of Export
Mob:+86 135 6633 6542(Whatsapp)

No.169, Xindao East Road,
Jintang town, Dinghai District,
Zhoushan city, China

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China (Mainland) | Manufacturer
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The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $32,000
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