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M6 Hex Head Bolts with Nuts

Carbon steel hex head bolts with a 5.5 mm thread diameter, shipped with matching nuts and washers for assembly. These are classified under HTS 7318.15.20.10 due to their shank/thread diameter under 6 mm and being entered together as bolts with nuts/washers. Commonly used in machinery and furniture assembly.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+75.0%75%
🇲🇽MexicoFree+50.0%50%
🇨🇦CanadaFree+50.0%50%
🇩🇪GermanyFree+50.0%50%
🇯🇵JapanFree+50.0%50%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7318.15.20Same rate: 75%

If shipped without nuts or washers

Excludes sets entered together; classified as individual 'other' bolts over 0.99 kg/dozen.

7318.16.00Lower: 57.5% vs 75%

If machine screws rather than bolts

Machine screws have finer threads for precise machinery; bolts are coarser for structural use.

7318.29.00.00Higher: 77.8% vs 75%

If non-threaded rivets or similar

Lacks helical threading; falls under non-threaded articles of this heading.

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

Verify thread diameter is under 6 mm with caliper measurements for statistical reporting

Include packing list proving bolts, nuts, and washers are shipped together to qualify as a set

Ensure country-of-melt documentation for steel origin under Section 232 tariffs