AW-BS42 Square head road stud/road spike/big size forged bolts/custom non-standard bolts
Steel road stud, Customized special forged bolts, To drawing big bolts
Size: M10, M12, M16, M20, M24, M30
Material: Carbon Steel, Steel class 8.8/10.9/12.9
Surface Treatment: Blackened finished, Zinc plated Cr3+(blue,yellow, black, green), Plain, Black