M5x16mm 316 Marine Grade Socket Cap Screw

316 stainless steel socket cap screw with M5x16mm dimensions (diameter under 6 mm), featuring cylindrical head and internal hex socket. Falls under HTS 7318.15.60.10 as stainless steel socket screw with small shank diameter. Corrosion-resistant for marine and chemical environments.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.2%+35.0%41.2%
🇲🇽Mexico6.2%+10.0%16.2%
🇨🇦Canada6.2%+10.0%16.2%
🇩🇪Germany6.2%+10.0%16.2%
🇯🇵Japan6.2%+10.0%16.2%

Alternative Classifications

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

7318.15Same rate: 41.2%

If with tension dry seal threads

Special thread types for high-pressure applications have dedicated provisions.

7304.39Lower: 10% vs 41.2%

If seamless tubes rather than screws

Long stainless tubes over 152.4 mm may classify as tubing if not fastener-formed.

7318.19.00.00Lower: 40.7% vs 41.2%

If self-tapping thread design

Self-tapping screws without socket head go to other threaded articles.

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

Distinguish 316 from 304 stainless with molybdenum content certification

Measure shank diameter precisely; 5.0 mm qualifies but 6.1 mm shifts suffixes

Comply with Buy America requirements if for US infrastructure projects

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