belleville spring

Custom Serrated Safety Spring Belleville Washer M1 -M50

Custom Serrated Safety Washer Tailored Solutions from SUNZO (DIN9250 Standard) Every industrial application presents unique fastener locking challenges, and SUNZO delivers bespoke solutions with our Custom Serrated Safety Washersengineered to DIN9250 standards while adapting to your specific requirements. Customization Capabilities While our standard DIN9250 series covers M1.6 to M36, we specialize in extending these parameters to create non-standard solutions tailored for