Belleville Spring Washer 
The characteristics of disc spring is "maximum force in minimum space". 
Specification of conventienal disc springs is as below: 

(1) OD: 8.0mm to 600mm 
(2) Thickness: 0.2mm to 40mm 
(3) Production as per the standard of DIN2093 and GB/T1972. 

We also can customize the disc spring as per customer's requirements. 

We also deal in diaphragm springs and slotted disc springs. 
Size as below: 
(1) OD: 20-500mm 
(2) ID: 10-250mm 
(3) Thickness: 0.2-5mm 
(4) Height: 2-30mm 

Pls contact with us if you are interested.