Belleville Disc Spring Washer M14 – 1.5mm thick

Belleville Disc Spring Washer M14 – 1.5mm thick

A Belleville washer, also known as a coned-disc spring, conical spring washer, disc spring, Belleville spring or cupped spring washer, is a conical shell which can be loaded along its axis either statically or dynamically. A Belleville washer is a type of spring shaped like a washer.

The “Belleville” name comes from the inventor Julien Belleville who patented the spring design in Dunkerque, France, in 1867.