AW-BS21 Lead screws/special bolts/custom non-standard screws

Steel lead screws, Customized special screws, To drawing screws

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

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

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

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