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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: JM
  • Model Number: JMB019
  • Model: Plastic Bimetallic Extruder Single Screw Barrel
  • Application machine: Film,Pipe, Foam Single Screw Extruder
  • Material: 38CrMoAlA,SKD61,42CrMo
  • Screw design: Extruder Bimetallic Single Screw
  • Screw Diameter: 30-250mm
  • Surface treatment: Screw Barrel by Nitrided &Bimetallic
  • NItriding Depth: 0.6-0.8mm
  • Nitrided hardness: HRV 60-80
  • Warranty: 12 Months
  • Certificate: ISO9001

Packaging & Delivery

Packaging Details 30-250mm PP PE HDPE LDPE Recycling Film,Wire,Pipe Extruder Bimetallic Single Screw Barrel,Extruder Bimetallic Single Screw
1.Packet with anti-corrision oil.
2.Packet into safety wooden box
Delivery Time Shipped in 25 days after payment

30-250mm PP PE HDPE LDPE Recycling Film,Wire,Pipe Extruder Bimetallic Single Screw Barrel,Extruder Bimetallic Single Screw



Product Description




Technical Information for  Extruder Bimetallic Single Screw 

Main Base materials

1.38CrMoAlA (SACM645)

Main Alloy Materials

1. Ni-based alloy/Deloro alloy

2. SKD-61 (Special Tool Steel)

2. Tungsten carbide/Wolfram carbide

3. 42CrMo (Ultrahigh StrengthSteel)

3. NiCo-based alloy

4. DC53 (Cold WorkDie Steel)

4. Fe-based alloy

5. W6Mo5Cr4V2 (High-SpeedToolSteel)

5. Co-based alloy

Processing Technics

1. Heat treatment

Technical parameters

Nitriding layer depth:0.5-0.8mm

2. Quenching

Nitrided hardness:900-1000HV

3. Nitriding treatment

Bimetallic layer depth:3 mm

4. Bimetallic alloy welding for screw

Bimetallic hardness:57~69HRC

5. Bimetallic alloy centrifugal casting for barrel

Hard-chrome plating hardness after nitriding:≥950HV

6. Hard-chrome electroplating

Chrome-plating layer depth:0.03-0.09mm

Linearity of screw:0.015mm

Surface roughness:Ra 0.4


Our various type extruder and injection machine bimetallic screw barrel for different plastic raw material/domestic/ foreign plastic machines.




The most common types of parallel twin barrel
































Bimetallic/alloy material types for extruder bimetallic screw barrel



Our screw barrel proccsing with advanced CNC milling machine and PTA powder welding machine 





Our bimetallic barrel with advanced CNC milling machine and centrifugal casting proccesing



100% Inspection for each screw barrel according to drawing.

100% Qualified for each screw barrel before delivery.

100% One year guarantee with inspection report & raw material MTC to customer.



Our Plastic Machine Manufaturer Partners 


 We also supply for domestic plastic machinery company: 

 LIANSU, JINHU, JWELL, HUASU, AMUT, BEX, KMD, WEBER, HAITIAN, HAITAI, ChenHsong,  Golden Eagle and others, we can easy to get the screw barrel drawing if your machine from  China.


Company Information




Packaging & Shipping

  1.Painting with anti-corrosion oil for bimetallic single screw barrel  .

  2.Packed in to polywood box.

  3. 4 weeks after received deposite.


Our Services


  1. We are factory with advanced CNC milling machine, PTA powder welding machine.
  2. Since 2000 over 15 years industry experience.
  3. 10 engineer with 50 experience employee.
  4. Have steady cooperation with domestic largest profile and largest pipe manufacturer.
  5. One stop service for our customer.
  6. 24 hours on-line service only for solve customer question.
  7. Provide design drawing and on-door measurement.
  8. Competitive price with reliable quality and 12 months warranty.
  9. Foreign market field, we have steady and closely cooperation with over 20 countries, and some even have our own agent.

 1.Q:How about Jinming screw barrel?

     A:Since 2000 over 15 years screw barrel manufaturing experience.A professional screw barrel manufaturer in Chine.


2.Q:How 's Jinming capacity?

    A:5000SQM workshop with advanced CNC control machine and PTA powder welding machine,Anunal output over 1000 set screw barrel.


3.Q:How about Jinming screw barrel quality?

    A:Top quality steel bar,advanced CNC machines and our cautious finished screw barrel inspection to make sure our product is accord with ISO9001 quality system.


4.Q:How 's Jinming screw service life and guaranty?

   A:3-5 years for nitriding ones,and the bimetallic screw barrel will be more longer.


5.Q: Where 's Jinming factory lacated?

    A:At Ningbo Beilun Xiaogang Xinquan Industry Distric.Is near Shanghai,we can fast pick you if you want to visit.


6.Q:How to contact with you?

    A:Pls see below Elena 's contact imformation,i will be waiting to hearing from you.


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