All kind of wave washers for general use or for bearing use, and curried washers, disk spring washers. All products had full level stock, both in metric size and inch size can real time supply. Specifications: · Material: Carbon steel / Spring steel / Stainless Steel etc. · Hardness: HRc 40~50 · Finish: Black phosphate coating / Zn plating / Chromate dipping Size: According to JIS standards or by special order