• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: shenglong
  • Material: 38CrMoALA
  • surface hardness: HV≥ 900
  • Nitriding depth: 0.5-0.8

Packaging & Delivery

Packaging Details wooden case
Delivery Time 25-30days


We can supply single screw barrel with various specifications used in plastic machinery according to your requirement


parallel twin screw and barrel
2)depth of the nitration suface:0.4mm-0.7mm
3)hardness of suface:1000HV

parallel twin screw and barrel




2)ratio of length to diameter:L/D=18-25


Technical index:


1)Depth of nitration case:0.4-0.7mm

2)Hardness of nitration:HV1000

3)Roughness of the surface:260-290HB

4)Screw straightness: 0.015mm/m

5)Chrome plating thickness: 0.01-0.1mm

6)Fully hard screw(wear-proof, corrosion-proof, heatproof, high-pressure proof and high-speed proof):HPT1 HPT2 HPT3

7)Suitable plastic material: PP,PE,ABS,AS,PS etc.

8)Material: SACM-645, SCM440, 38CrMoALA



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 $43,000
Learn More