Belleville Disc Spring
Conical disc spring from hardened steel for high-load, short deflection applications like bolted joints. Under HTS 7320.90.50.60 as other steel springs.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If flat disc without conical spring action
Non-spring discs are spring washers in fasteners.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document stackable design and load ratings for proper declaration
• Avoid describing as 'washer' to prevent 7318 misclassification
Related Products under HTS 7320.90.50.60
Volute Spring
Cone-shaped compression spring from steel strip for heavy shock absorption in railway buffers. HTS 7320.90.50.60 for other iron/steel springs.
Garoll Spring Retractor
Negator-style constant force spring for seat belt retractors (non-vehicle). Other steel springs in 7320.90.50.60.
Hairpin Torsion Spring
U-shaped torsion spring from steel wire for light-duty hinges. HTS 7320.90.50.60 other springs.
Clock Spring Mechanism
Spiral torsion spring for clockwork toys (non-precision). Other in 7320.90.50.60.
Snap Action Spring
Bimetallic or steel snap disc for thermostats. HTS 7320.90.50.60 other.
Leaf for Light Spring
Individual steel leaves for small machinery springs (not full leaf springs). 7320.90.50.60.