Butterfly wing Thumb machine bolt screw M3 M4 M5 M6 M8 M10 M12 M16 M20 M24 galvanize carbon steel
| Material: | Stainless Steel: SUS301, SUS304, SUS201, SUS316 |
| Carbon Steel: ANSI standard | |
| Alloy: Aluminium | |
| Finish: | Zinc plating, black anodize, polished, nickel plating, tin plating, silver plating. |
| Size: | Butterfly wing Thumb machine bolt screw M3 M4 M5 M6 M8 M10 M12 M16 M20 M24 galvanize carbon steel |
| Design: | Accept custom design |

