Buy small pack quantities of Disc Springs to DIN 2093 Specifications.
These washers can also be known as Belleville Washers.
We offer both Carbon Steel & Stainless Steel Disc Springs
Carbon Steel – https://springfasteners.co.uk/product-category/disc-springs/disc-springs-belleville-washers/
Stainless Steel – https://springfasteners.co.uk/product-category/disc-springs/disc-springs-stainless-steel-din-2093/