Music Wire Extension Spring
An extension spring crafted from high-carbon music wire, featuring loops at both ends for attachment and providing force when stretched. Classified in HTS 7320.90.50 as other springs of steel, distinct from compression or torsion types. Ideal for trampolines and garage doors.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If helical torsion springs
Torsion springs exerting torque are separated in a distinct subheading.
If for retail furniture hardware sets
Springs in base metal mountings for furniture sold as sets go to Chapter 83.
If incorporated in bed or mattress assemblies
Springs as parts of furniture like beds are classified with the furniture article.
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Import Tips & Compliance
• Label with exact wire material (e.g
• music wire grade) and dimensions for Customs verification
• Avoid bulk packaging that could imply unfinished parts; declare as finished springs
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