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The above are standard specifications, we can customize according
to customers’ requirements.
The compression ratio of screws can be designed according to
different products and mixtures.
Technical Parameter:
Hardness After Hardening & Tempering:HB280-320
Nitrided hardness: 950-1100HV
Nitrided layer depth:0.50-0.80mm
Nitrided brittleness: Less than 2 level
Surface roughness: Ra 0.4μm
Linearity of screw: 0.015mm/m
Bimetallic layer depth: ≥3mm
Bimetallic hardness: HRC60-72
No.10 Ligang Road,Xigou Industrial Area,Jintang Town,Zhoushan City,Zhejiang,China
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