| Material | Steel ,Galvanized , Pure, Aluminum, Aluminum alloy,Carbon Steel Etc |
| Standard | DIN, ANSI/ASME. BSW, ISO, etc |
| Diameter: | M3-M56 ST2.2-6.3 |
| Surface: | zinc /blue/yellow /Dacromet/Plated, plain, hot DIP galvanizing, |
| Grade: | 4.8 / 8.8 / 10.9 |
| Length: | 12-500mm; 1/2"-10" |
| Tolerance | +/- 0.01--0.05mm / can also be customized. |
| Size | Customized |
| Thickness: | Customized |
| Package | Inner pearl button,outside carton box, or customized |