Diameter of screw:Φ20-600mm

Compressing rate of screw can be designed according to diffferent products and mixtures.

Material:38CrMoAl

Technical specification:

1. Hardness after hardening & tempering: HB240-280

2. Nitrided hardness: HV850-1000

3. Nitrided depth: 0.45-0.7mm

4. Nitrided brittleness: Less than grade 2

Application

Injection moulding machine both horizontal&vertical type,Extrusion moulding machine .Any rubber and plastic moulding machine.