Product name:
Bimetallic Screw

Screw Diameter: Φ10mm-Φ300mm
Material: high quality Ni-based and WC alloy
Type: Bimetallic spraying on screw tip and full surface for choice
Technology: nitriding treatment, alloy coating spraying, heat-treatment
Appliance: PVC, PP, PE, PA, PC, ABS, AS etc
Technical Index:
Depth of Nitrated Layer: 0.5-0.8mm
Hardness of nitration: 900-1020Hv
Fragility of nitration: Less than grade 1
Surface Hardness of Nitrated Cr coating layer: ≥950Hv
Hardness of Bimetallic Layer: HRC55°-72°
Thickness of Cr-coating Layer: 0.03-0.08mm
Depth of Bimetallic Layer: >2mm

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Bimetallic Screw Demonstration=====

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Bimetallic Screws=====

=====SKD11 (H13) Screw tips=====