AW-BS15 Ball head bolts/special bolts/custom non-standard bolts

Steel ball head bolts, Customized special bolts, To drawing bolts

Size:M4, M5, M6, M8, M10, M12

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

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

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