• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Batten
  • Model Number: CMT 58
  • Material: 38CrMoAlA
  • Process: Nitriding & Bimetallic
  • Hardening Hardness: HB280-320
  • Nitrided Hardness: HV900-1000
  • Nitrided Case Depth: 0.45-0.8mm
  • Nitrided Brittleness: Less than Grade 2
  • Surface Roughness: Ra 0.4
  • Screw Straightness: 0.015mm
  • Guarantee: One year
  • Application: Screw Barrel for Extruder Machine

Packaging & Delivery

Packaging Details PE Film and Standard Wooden Case
Delivery Time Shipped in 60 days after payment



1 set (1 pair of screws and 1 pc barrel)


60 days

Design Details



I TYPE:inside is water/oil cooling system

II TYPE:outside is oil cooling system



I TYPE:outside is air cooling system

II TYPE:out side is copper pipe around cooling system



Stop ring+washers to adjust the space between screw and barrel

Technical Specification

Material:High quality 38CrMoAlA

Process:Advanced nitriding & bimetallic process

Hardness After Hardening & Tempering:HB280-320

Nitrided Hardness:HV900-1000

Nitrided Case Depth:0.45-0.8mm

Nitrided Brittleness:Less than Grade 2

Surface Roughness:Ra 0.4

Screw Straightness:0.015mm

Alloy Hardness:HRC 50-65

Alloy Depth:0.8-2.0mm


Product Show


Production Flow


Company Information

George Gong

Sales of Export

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


Skype:batten.annxu   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 

Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
China (Mainland) | Manufacturer, Trading Company
Supplier Assessments:
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $27,000
Learn More