3/8-16 UNF Alloy Steel Stud

High-strength alloy steel stud, 3/8-inch diameter with 16 fine threads per inch, for aerospace and pressure vessel bolting. Falls under 7318.15.50 as iron/steel studs, excluding wire dimensions over 16mm.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

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.

7318.19.00.00Higher: 40.7% vs 35%

If threaded anchors or inserts

Expansion or wedge designs for concrete are '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

Certify alloy composition (e.g

A193 B7) to avoid general rate assumptions

Declare if heat-treated; may affect anti-dumping duties on certain origins

Ensure no cross-section exceeds 16mm per Chapter wire definition

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