Music Wire Torsion Spring
High-carbon music wire torsion spring for rotational force resistance, used in clothespins and automotive hinges. HTS 7320.90.5020 applies to this 'other' wire spring (≤16mm cross-section), per chapter notes excluding leaves/clock springs. Precision-formed for tight tolerances.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically leaf springs for vehicles
Leaf-type changes subheading, even if wire-formed.
If other articles of iron/steel for retail sale
Finished consumer goods (e.g., clothespin spring) may classify as articles vs components.
If part of electric motor armature
Motor parts take Chapter 85 classification.
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
• Include torque/load specs in invoice to demonstrate non-clock spring function
Related Products under HTS 7320.90.50.20
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Steel wire spring mimicking phosphor bronze properties for electrical contacts. HTS 7320.90.5020 as steel wire spring ≤16mm, used in switches/relays where conductivity secondary to strength.
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Double Torsion Wire Spring
Dual-leg torsion spring from music wire for battery contacts and clamps. HTS 7320.90.5020 wire spring category.
Conical Compression Wire Spring
Tapered conical spring from steel wire for progressive loading in shock absorbers. 7320.90.5020 as other wire spring.
Square Wire Belleville Washer Spring
Square-section wire disc spring (Belleville) for high-load stacking. Wire ≤16mm qualifies 7320.90.5020.
Hairpin Tension Spring
Hairpin/bungee-style wire spring for gates and tarps. 7320.90.5020 classification.