Brass Extension Springs
Brass (copper-zinc alloy) extension springs with hooks, used in garage doors and trampolines, falling under HTS 7419.80.1600 for copper springs. Meets subheading note (a) with zinc predominant over other elements.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for industrial machinery like garage door assemblies
Steel extension springs for specific machines classify under Chapter 73 heading 7320.
If plated or coated for corrosion resistance
Plated copper tubes, pipes, and fittings are separate from plain spring articles.
If parts of trailers or semi-trailers
Vehicle-specific copper spring components fall under Chapter 87 transport equipment.
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 zinc content predominance via spectrographic analysis to distinguish from nickel silvers
• Separate from sets; individual springs classify here, but garage door kits may use 7320
• Comply with REACH for alloy content disclosure in EU transshipments
Related Products under HTS 7419.80.16.00
Stainless Steel Compression Springs with Copper Coating
These are helical compression springs primarily made from copper-plated stainless steel wire, functioning as copper springs under HTS 7419.80.1600 due to their copper composition and spring form. They are used in automotive suspensions and industrial machinery for shock absorption.
Phosphor Bronze Coil Springs
Phosphor bronze (copper-tin alloy) coil springs designed for electrical contacts and precision instruments, classified under HTS 7419.80.1600 as other copper spring articles. Their high corrosion resistance makes them ideal for marine and electronic applications.
Copper Beryllium Torsion Springs
High-strength copper-beryllium alloy torsion springs for aerospace and medical devices, classified as copper springs under HTS 7419.80.1600. Their fatigue resistance suits high-stress applications.
Nickel Silver Flat Leaf Springs
Copper-nickel-zinc (nickel silver) flat leaf springs per subheading note (c), used in clocks and eyewear hinges, under HTS 7419.80.1600 as copper springs with ≥5% nickel.
Pure Copper Constant Force Springs
Spiral-wound pure electrolytic copper constant force springs for retractable cords and battery contacts, classified under HTS 7419.80.1600. Provides uniform tension in compact spaces.
Brass Clockwork Mainspring
Brass copper-zinc mainsprings for mechanical watches and clocks, HTS 7419.80.1600 as copper springs. High elasticity essential for timepiece power delivery.