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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Batten
  • Model Number: CMT68
  • Material: 38CrMoAlA
  • Process: nitriding , bimetallic, alloy
  • Hardening Hardness: HB280-320
  • Nitrided Hardness: HV900-1000
  • Nitriding Depth: 0.5 - 0.8mm
  • Nitrided Brittleness: Less than Grade 2
  • Surface Roughness: Ra 0.4
  • Screw Straightness: 0.015mm
  • Alloy hardness: HRC 55-65
  • Application: PVC extruder Cincinnati CMT68

Packaging & Delivery

Packaging Details PE Film and Standard Wooden Case
Delivery Time 35 Days after Deposit Payment
Product Description
Technical Information
Main Base materials1.38CrMoAlA (SACM645)Main Alloy Materials1. Ni-based alloy/Deloro alloy
2. SKD-61 (Special Tool Steel) 4Cr5MoSi V12. 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  6542)5. Co-based alloy
Processing Technics1. Heat treatmentTechnical parametersNitriding layer depth:0.5-0.8mm
2. QuenchingNitrided hardness:900-1000HV
3. Nitriding treatmentBimetallic layer depth: 0.8-3 mm
4. Bimetallic alloy welding for screwBimetallic hardness:57~65HRC
5. Bimetallic alloy centrifugal casting for barrelHard-chrome plating hardness after nitriding:≥950HV
6. Hard-chrome electroplatingChrome-plating layer depth:0.03-0.09mm
Linearity of screw:0.015mmSurface roughness:Ra 0.4




Detailed Images

We use special alloy powders being sprayed and welded on the screw's ridge with diferent alloy and welding methods for different function.

For faster feeding, line grooves and helix grooves could be processed on the barrl inner wall.



Our Services
  • We are one station screw and barrel solution. 
  • We focus on each process to make sure every screw barrel is qualified and exact you want.
  • Engineers for measure are availabe oce size and drawings are not clear.
  • All screw barrels have one year- guarantee, while 3-5 years life time for nitriding ones, and alloy ones would be longer.


Company Information

BATTEN is located in Zhoushan City, the largest manufacture base of Screw Barrel in China.

With 1500 SQ.M  workshop, and 40 experienced emplyees are equiped at BATTEN.

We equipped advanced technology and equipment for processing, test, as well as extended experience for design,  nitrided , chrome plating, stainless steel, bimetallic and HVOF ( surface spraying technology) treatment for different demands.

we are able to design and make products as per your drawing and present parts. With high quality products, satisfies and prompt sevice , looking forward to cooperate with you.



Packaging & Shipping
  • Be brushed anti-corrosive oil on screw barrel set;
  • Packed with film;
  • Packed in the wooden case.




Sales of Export

Mob:+86 152 6785 5610(whatspp,wechat)


Skype: george.gong8   QQ:351149822



No.5,1st Branch,Lingang 2nd Road,

Shuangqiao Industry Zone,

Zhoushan City,China

T:+86 580 8015962  F:+86 580 8015961


Thanks for your visting!

 Let's Replace Your Screw Barrel  

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China (Mainland) | Manufacturer, Trading Company
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