M10 Copper Alloy Hex Nut
Heavy-duty M10 (10mm hole diameter) hex nut made from copper-nickel-zinc nickel silver alloy, used in high-corrosion shipbuilding. HTS 7415.33.80.10 applies to copper nuts with holes ≥6mm, meeting nickel silver definition in subheading note (c).
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If iron/steel construction
Nuts of steel go to 7318; copper-zinc-nickel alloys stay in 7415 per material composition.
If machine screws under 6mm or spring washers
Subheading splits by size and type; larger shanks/holes stay here, smaller to other.
If for industrial machinery use only
End-use as machine part may shift to Chapter 84 if not general-purpose fastener.
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 nickel content ≥5% for nickel silver classification; critical for duty suspension programs
• Measure internal hole diameter precisely; customs rulers vary—include caliper photos
• Avoid bulk packing over 50kg; triggers different statistical reporting and potential exams
Related Products under HTS 7415.33.80.10
M6 Copper Eye Bolt
Forged M6 copper eye bolt for rigging and lifting, with 6mm shank and threaded end. Classified in HTS 7415.33.80.10 for copper threaded articles like screw hooks/bolts over 6mm diameter.
M8 Brass Flange Bolt
M8 integrated flange hex bolt in brass for plumbing fixtures, 8mm thread diameter. HTS 7415.33.80.10 due to copper alloy and size criteria.
M10 Copper U-Bolt
M10 U-bolt for pipe clamps, copper construction with 10mm legs/threads. Fits 7415.33.80.10 as threaded copper article.
M12 Brass Wing Nut
Hand-tightening M12 wing nut, brass, 12mm hole for electrical boxes. HTS 7415.33.80.10 for large copper nuts.
M8 Copper Set Screw
Socket head M8 set screw, copper for machinery adjustment. 7415.33.80.10 classification.
M16 Bronze Hex Bolt
Heavy M16 bronze structural bolt, 16mm diameter for bridges. Large size qualifies under 7415.33.80.10.