M12 Bronze Lag Screw
M12 (12mm shank) hex washer head lag screw from copper-tin bronze alloy, designed for heavy timber construction. Falls under 7415.33.80.10 as a threaded copper screw with shank ≥6mm, tin predominant per note (b).
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If wood screws of steel
Chapter note prioritizes material; steel wood screws in 73 despite similar form.
If unthreaded rivets or cotters
Threaded articles only in .33; unthreaded copper rivets in separate subheading.
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
• Provide tin content analysis (>3%, zinc <10%) to confirm bronze vs brass classification
• Use ISF filings early; large fasteners often require ACE truck manifests
Related Products under HTS 7415.33.80.10
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).
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.