AW-BS34 Hex socket special cap bolts/inner hexagon special bolts/custom non-standard bolts

Steel inner hexagon special bolts, Customized special bolts, To drawing bolts

Size: M10, M12, M16, M20, M24, M30

Material: Carbon Steel, Steel class 4.6/4.8/5.6/6.8/8.8/9.8/10.9/12.9

​​Surface Treatment: Blackened finished, Zinc plated Cr3+(blue,yellow, black, green), Plain, Black

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