AW-BS04 Cross recessed hex bolts/special bolts/custom non-standard bolts

Steel cross recessed hex bolts, Customized bolts, To drawing bolts

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

Size: M4, M5, M6, M8, M10, M12, M16, M20, M24, M30

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

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