| Size | M3-M48 or non-standard as request&design |
| Finish | Plain, black oxide , Zinc Electroplating,Hot Dip Galvanizing,Copper plating, Nickel plating,Zinc impregnation,ETC. |
| Material | Carbon steel、Stainless steel |
| Grade | 4，8，10，12 |
| Standard | GB, DIN, ISO, ANSI/ASTM, BS, JIS,ETC. |
| Non-standards | OEM is available, according to drawing or samples. |
| Samples | Samples are free. |
| Package | Wooden boxes, pallet, cartons, plastic bags, nylon bags. |
1. Material Options:
Auminium/Alloy
Aluminium/Steel 5050, 5052, 5055
Steel/Steel
All Stainless Steel
2. Color Options:
Plain, black, grey, red, orange, etc
