Tariff reference › Chapter 73 › 7318.15.50
HTS 7318.15.50 — Studs
The current US import duty for Studs (HTS 7318.15.50) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel: › Threaded articles: › Other screws and bolts, whether or not with their nuts or washers: › Studs
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | — |
| Column 2 (other) | 45% |
Additional duties may apply, depending on country of origin: Section 301 (China) — List 3 — 9903.88.03 (+25%).
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Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=7318.15.50&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).