screw and barrel

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screw and barrel
Posting date : Jul 07, 2010
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HS-CODE
85-
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Detailed Description
Material: High quality alloy steel 1. 38CrMoAlA 2. 42CrMo 3. 9Cr18MoV 4. CW6Mo5 5. SKD61 6. SKD11 Power of locknut: 100KN-35000KN Capacity of injection: 30g-30000g, can be matched with corresponded screw heads, barrels according to customer's requirement. Depth of Nitrated layer: 0.5-0.8mm Hardness of nitration: 900-1020HV Fragility of nitration: Less than grade 1 Surface roughness: Ra0.4um Surface hardness of nitrated Cr coating layer: 50HV Hardness of Cr-coating layer: HRC55-72 Thickness of Cr-coating layer: 0.03-0.08mm Depth of Bimetallic layer: 2.5-4mm Technology: Heat-treatment, Nitriding treatment, Electroplated hard-chrome finish, High -frequency quenching, Bimetallic-alloy coating, Vacuum quenching.

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