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Partially Threaded Hexagon Head Bolts Blackened Carbon Steel DIN931-1 ISO EN

Jiangsu Ying Yan Fastening System Technology Co.Ltd
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Partially Threaded Hexagon Head Bolts Blackened Carbon Steel DIN931-1 ISO EN

Partially Threaded Hexagon Head Bolts Blackened Carbon Steel DIN931-1 ISO EN

DIN931-1 ISO EN 4014 Hexagon Head Bolts Partially Threaded Blackened Carbon Steel/Alloy Steel Class 8.8 10.9 12.9 Advantages: Corrosion Resistance: The blackening process creates a dense oxide film on ...

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