ReferenceUS import duty by HTS line

HTS 8457.10.00, Machining centers for working metal: US import duty by origin

What is the US import duty on Machining centers for working metal?

In short. Machining centers for working metal, HTS 8457.10.00, imported from China carries 40% all-in US duty (column 1 4.2%, Section 232 10.8%, Section 301 25%); the lowest of nine origins is Mexico at 10.8% and the highest China at 40%. Open Factory tariff schedule as of September 9, 2026.

Facts

HTS line8457.10.00, Machining centers for working metal
Column 1 (MFN) rate4.2%
Section 232 tierIII; Annex III: column 1 plus Section 232 capped at 15% all-in through Dec 31 2027 (9903.82.10); 25% on full customs value from Jan 1 2028, on top of the column 1 rate.
Lowest all-in dutyMexico, 10.8%
Highest all-in dutyChina, 40%
Checked onSeptember 9, 2026

All-in US duty on HTS 8457.10.00 by origin, percent of customs value, as of September 9, 2026

OriginColumn 1Section 232Section 301All-inNote
China4.2%10.8%25%40%Annex III: column 1 plus 232 = 15% total through Dec 31 2027 (9903.82.10); 25% from Jan 1 2028
Mexico0%10.8%0%10.8%USMCA-qualifying goods enter free of the column 1 duty; non-qualifying goods add the column 1 rate; Annex III: column 1 plus 232 = 15% total through Dec 31 2027 (9903.82.10); 25% from Jan 1 2028
Canada0%10.8%0%10.8%USMCA-qualifying goods enter free of the column 1 duty; non-qualifying goods add the column 1 rate; Section 338 (Aug 19 2026) covers dairy, alcohol and motor vehicles only; Annex III: column 1 plus 232 = 15% total through Dec 31 2027 (9903.82.10); 25% from Jan 1 2028
EU4.2%10.8%0%15%Annex III: column 1 plus 232 = 15% total through Dec 31 2027 (9903.82.10); 25% from Jan 1 2028
Japan4.2%10.8%0%15%Annex III: column 1 plus 232 = 15% total through Dec 31 2027 (9903.82.10); 25% from Jan 1 2028
Korea0%10.8%0%10.8%KORUS-qualifying goods enter free of the column 1 duty; non-qualifying goods add the column 1 rate; Annex III: column 1 plus 232 = 15% total through Dec 31 2027 (9903.82.10); 25% from Jan 1 2028
Taiwan4.2%10.8%0%15%Annex III: column 1 plus 232 = 15% total through Dec 31 2027 (9903.82.10); 25% from Jan 1 2028
India4.2%10.8%0%15%Annex III: column 1 plus 232 = 15% total through Dec 31 2027 (9903.82.10); 25% from Jan 1 2028
Vietnam4.2%10.8%0%15%Annex III: column 1 plus 232 = 15% total through Dec 31 2027 (9903.82.10); 25% from Jan 1 2028

Questions

What is the US import duty on Machining centers for working metal from China?

40% all-in: column 1 4.2%, Section 232 10.8%, Section 301 25%.

Which origin has the lowest duty for HTS 8457.10.00?

Mexico at 10.8%, assuming the good qualifies under USMCA.

What do the layers mean?

Column 1 is the general HTS rate. Section 232 is the metals and derivatives tariff, per Proclamation 11021, 91 FR 18201 (Apr 9 2026), CSMS 68253075; Proclamation 11032, 91 FR 34085 (Jun 4 2026), CSMS 68855869. Section 301 is the China list tariff plus the forced-labor additive where it applies. The all-in figure stacks them on the customs value.

How current is this?

Checked September 9, 2026 against HTS 2026 and the Federal Register notices cited below. The page is rebuilt on every tariff event.

Sources

  1. Open Factory tariff schedule, 22 HTS lines x 9 origins
  2. HTS 2026 Rev. 18, hts.usitc.gov
  3. Proclamation 11021, 91 FR 18201
  4. Proclamation 11032, 91 FR 34085
  5. USTR Section 301 notice, 91 FR 47318

Data as of September 9, 2026. This page is rebuilt from the same table the Tariff Exposure Calculator, the API and the MCP server read, so the figures cannot differ. Also available as plain markdown. Cite as Open Factory, HTS 8457.10.00, Machining centers for working metal: US import duty by origin, September 9, 2026.