Assemblie Parts Of Screw & Barrel
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Assemblie Parts Of Screw & Barrel
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  • Product Description
1.Material: 38CrMoAI A

Nitriding treatment, Surface hardness: HV≥900; Nitriding depth: 0.5-0.8mm

2.Material: Special alloy steel

Vacuum quenching treatment, prolong life of parts.


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