M12 Aluminum Hex Nuts

Heavy hex nuts for M12 bolts (12 mm inner diameter hole), machined from aluminum alloy for aerospace and automotive use. Classified in 7616.10.70 because internal threads/holes exceed 6 mm. Provides weight savings over steel counterparts.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.5%+35.0%40.5%
🇲🇽Mexico5.5%+10.0%15.5%
🇨🇦Canada5.5%+10.0%15.5%
🇩🇪Germany5.5%+10.0%15.5%
🇯🇵Japan5.5%+10.0%15.5%

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.

7616.10Same rate: 40.5%

If for M6 or smaller nuts

Subheading .60 for nuts with holes ≤6 mm per size criterion.

7318.16.00Lower: 17.5% vs 40.5%

If iron/steel construction

Nuts of base metals other than aluminum classify under steel headings.

7616.91.00Lower: 37.5% vs 40.5%

If very fine wire-formed nuts

Chapter note defines wire ≤6 mm cross-section for .91 cloth/wire products.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Match nut specs to bolt standards (e.g

DIN/ANSI) for consistent classification

Test for aluminum purity if near 99%; alloy status affects potential duties

Bundle with bolts? Assess set classification to avoid splitting entries

Related Products under HTS 7616.10.70

M8 Aluminum Hex Bolts

Hexagonal head bolts made of aluminum alloy with an M8 thread size (8 mm diameter), used for securing structural components in construction and machinery. Classified under HTS 7616.10.70 because the threads exceed 6 mm in diameter, distinguishing them from finer wire-based fasteners. These bolts meet aluminum alloy criteria with silicon and other elements exceeding purity limits.

1/4-Inch Aluminum Lag Screws

Heavy-duty wood lag screws of aluminum alloy with 1/4-inch (6.35 mm) shank diameter and coarse threads for anchoring into timber. HTS 7616.10.70 applies due to shank and thread diameters exceeding 6 mm, excluding them from wire-defined categories. Commonly used in marine and outdoor applications for corrosion resistance.

M10 Aluminum Carriage Bolts

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3/8-Inch Aluminum Eye Bolts

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5/16-Inch Aluminum Wood Screws

Self-tapping wood screws with 5/16-inch (8 mm) shank and aggressive threads for decking and cabinetry, made of marine-grade aluminum alloy. HTS 7616.10.70 for shank/threads over 6 mm. Corrosion-resistant for humid environments.

10 mm Aluminum Screw Hooks

Heavy-duty screw hooks with 10 mm shank and thread for hanging loads up to 500 lbs, aluminum alloy for porch swings and gates. HTS 7616.10.70 applies as threads/shanks exceed 6 mm. Rust-proof for exterior use.