| Model NO. | M2-M12 | Combination Washer Packaging | Carbon Steel |
| Spring Washer Type | Lock Washer | Payment | L/C T/T |
| Name | Sawtooth Lock Washer | Package | Ploy Bag Inside, Carton Bag Outside |
| Washer Type | None | Transport Package | Box |
| Specification | m2-m30 | Trademark | bangyi |
| Origin | China | Production Capacity | 100000piece/Per Year |