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Zhoushan Hina Mach

Donghai West Road 2121,Zhoushan,Zhejiang,China

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Free Member

Parallel twin screws and barrel

China

75, 90, 112, 135

1000 ~ 1500 / Set ( Negotiable ) Get Latest Price

China

1000 per Set

1 Set

wooden case

15 to 20 days

1000 Set per Month

T/T

Contact Now

Product Specification

Material : 38CrMoAlA

Product Description

Technical parameter:
Diameter of screw: 45-200
L/D ratio: 16-35
Hardness after hardening and tempering: HB280-320
Nitriding hardness: 950-1100HV
Nitrided layer depth: 0.5-0.8mm
Nitrided brittleness: Less than grade 2
Surface roughness: Ra0.4
Linearity of screw: 0.015mm/m
Bimetallic layer depth: ≥3mm
Bimetallic hardness: HRC60-72
Hard-chrome plating hardness after nitriding: ≥950HV
Chrome-plating layer depth: 0.025~0.10mm
   
Material:
High-quality alloy steel
38CrMoAlA (JIS SACM645)
42CrMo (AISI 4140)
9Cr18MoV

Contact Us

Contact Person :Mr. Frank

Company:Zhoushan Hina Mach

Address:Donghai West Road 2121, Zhoushan, Zhejiang, China,316000

To,

Mr. Frank < Zhoushan Hina Mach >
I want to know:

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