</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

M6 Stainless Steel Coupling Nut

Extended length coupling nut in 316 stainless steel with internal M6 threading on both ends for rod-to-rod connections. Classified as other stainless steel nuts under HTS 7318.16.00.60.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+57.5%57.5%
🇲🇽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.

7307.99.50Higher: 79.3% vs 57.5%

If for pipe fittings

Pipe-size couplings classify under tube/pipe fittings heading.

7318.15.20Higher: 75% vs 57.5%

If iron or non-alloy steel

Base material dictates stainless vs other steel tariff lines.

7326.90.86Lower: 37.9% vs 57.5%

If sold in structural assemblies

Integral components of larger structures classify with the assembly.

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

Measure effective thread length to distinguish from standard hex nuts

Include torque specs in technical data for structural applications

Prevent bulk packaging confusion with pipe couplings under plumbing codes