Specifications

We manufacture a complete range of feed screws, barrels, and accessories for extrusion, injection and blow molding ausing the hi

Plastic machine screw&barrel,extruder screw

 

Technical data:

1.Depth of nitration case     0.4~0.7mm

2. Bimetal coating thickness  2.0~3.0mm

3. Hardness of nitration      HV900~1060

4. Roughness of the surface   Ra0.4um

5. Screw straightness        0.015mm

6.Chrome plating thickness   0.01~0.1mm