Copper Spring Washers
Split-ring copper washers that provide spring-like tension to maintain bolt tension in assemblies. HTS 7415.29.00.00 covers these as unthreaded 'spring washers' of copper. Used in electrical panels and plumbing fixtures for vibration resistance.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If part of threaded assemblies
Washers integral to threaded copper screws classify as threaded.
If steel with copper plating
Surface-coated steel washers fall under Chapter 73 other washers.
If parts of copper alloy pumps
Washers for specific machinery like pumps classify by end-use in Chapter 84.
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Import Tips & Compliance
• Specify 'spring washers' distinctly from plain washers in commercial invoices
• Provide evidence of copper purity to prevent Chapter 73 misclassification
Related Products under HTS 7415.29.00.00
Copper Drawing Pins
Thumbtack-style copper pins with flat heads for mounting artwork and maps on softboards. HTS 7415.29.00.00 covers 'drawing pins' of copper as similar unthreaded articles. Decorative finish for office and studio use.
Copper Screw Hooks
Unthreaded eyelet-style copper hooks for hanging plants, lanterns, or artwork. HTS 7415.29.00.00 includes 'screw hooks' of copper that are not threaded. Corrosion-resistant for outdoor garden and nautical use.
Copper Rivets for Jewelry Making
Small unthreaded copper rivets used to join leather, fabric, or metal components in handmade jewelry and accessories. These fall under HTS 7415.29.00.00 as unthreaded copper rivets, distinct from threaded screws or bolts. They are commonly used in craft and artisan applications.
Solid Copper Cotter Pins
Unthreaded cylindrical copper pins used to secure machine parts like wheels or levers by expanding in a hole. Classified under HTS 7415.29.00.00 as 'cotter pins' of copper, not threaded. Ideal for non-corrosive fastening in marine and agricultural equipment.
Decorative Copper Tacks
Small-headed unthreaded copper tacks for upholstery, leatherwork, and picture framing. Falls under HTS 7415.29.00.00 as 'tacks' of copper, similar to nails but headless or small-headed. Popular in furniture restoration and crafts.
Unthreaded Copper Rivets for Boats
Marine-grade unthreaded copper rivets for hull planking and deck fittings on wooden boats. Under HTS 7415.29.00.00 as other unthreaded copper articles (rivets). Provides superior corrosion resistance in saltwater environments.