Specifications

Increase in productivity with improved product quality through with basic scientific problem solving with technology support.

We are a professional manufacturer of screw and barrel that has been in this line for 10 years,we can supply and design all kinds of  screw&barrel according to your requirments.

 

 

TECHNICAL SPECIFICATIONS:

Material : Quality 38CrMoAlA   SKD11

Hardness After Hardening & Tempering : HB240-280

Nitrided Hardness : HV850-1000

Nitrided Case Depth: 0.45~0.7mm

Nitrided Brittleness: Less Than Grade 2

Surface Roughness: Ra 0.4

Screw Straightness: 0.015mm

Surface Chromium-Plating's Hardness After Nitriding:≥900HB

Chromium-Plating Depth: 0.05~0.10mm

Alloy Hardness: HRC50-65

Alloy Depth: 0.8~2.0mm