| 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. |
GOST6402 Spring Washers are made of steel wire 65G, 70 and 3H13. Its have 4 types,
N-normal with a square cross section;
T-heavy with a square cross section;
OT-extra heavy with a square cross section;
L- light with a rectangular cross section.
