Welcome to Zhoushan Changjia Plastic Machinery Co., Ltd Official website!

简体中文| Add to Favorites|

Focus on the production of high-performance barrelscrew

famous brand in the screw hometown of China

National Service Hotline


Injection Molding Machine Barrel Screw

Screw diameter:φ20-φ220
Clamping force:250T-3200T
Injection volume:30g-30000g

☎ We accept all kinds of custom services, welcome calls!
Products Details

Modification hardness: HB280-320
Nitriding hardness: 950-1100HV
Nitriding depth: 0.50-0.80mm
Nitriding brittleness: ≤ 2
Surface roughness: Ra 0.4 μm
Screw Straightness: 0.015mm / m
Alloy layer hardness: HRC60-72
Alloy layer depth: ≥ 3mm
After the nitriding surface hardness: ≥ 950HV
Chromium layer thickness: 0.025 ~ 0.10mm
Screw type:
For different formulations and products, screw can be used: ordinary type, pin type, barrier type, separation type, exhaust type and so on.
Injection molding machine small pieces
1, Material: 38CrMoAl A nitriding, surface hardness: HV ≥ 900 Nitriding depth: 0.5-0.8mm
2, material: special alloy steel, after vacuum quenching and other heat treatment process, can greatly improve the service life of three small pieces


 Theoretical focus (g)

Screw diameter X length (mm)

 Barrel diameter X length (mm)

 Theoretical focus (g)

Screw diameter X length (mm)

 Barrel diameter X length (mm)









































































Customer Service Customer Service