AW-HB11 Steel T-bolt 20/12 hammer bolt 28/15 custom steel bolts

Steel T-head bolt, T slot bolt, To drawing bolts

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

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

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

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