HTS Code · Chapter 84 · Updated Oct 26, 2026

8459.21.00Numerically controlled

Also written 84592100

HTS Code 8459.21.00 covers any article best defined as Machinery and Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders and Reproducers, Television Image and Sound Recorders and Reproducers, and Parts and Accessories of Such ArticlesNuclear reactors, boilers, machinery and mechanical appliances; parts thereofMachine tools (including way-type unit head machines) for drilling, boring, milling, threading or tapping by removing metal, other than lathes (including turning centers) of heading 8458:Other drilling machines:Numerically controlled in the Harmonized Tariff Schedule — covering 2 sub-classifications.

As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from China pay 41.7% in duties: the 4.2% base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).

From China, the total duty on 8459.21.00 last changed on Jul 24, 2026, from 39.2% to 41.7%. It has changed 2 times since Nov 17, 2025.

Estimated Duty on 8459.21.00

$10,000.00 by ocean, entered Oct 26, 2026

Country of origin

China

Total duty: 41.7%; $4,170.00 on this shipment
Fees: 0.47%; MPF + HMF · $47.14
Duty + fees: 42.17%; Payable to CBP
Landed cost: $14,217.14; On $10,000.00 customs value

Base duty4.2%
Section 301 – China25%
Section 301 – Forced Labor12.5%
Customs fees0.47%

Chapter 99 lines9903.88.01 Section 301 China: List 19903.05.31 Section 301 Forced Labor – China

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Base Duty Rates for 8459.21.00

From the Harmonized Tariff Schedule

General Rate of Duty: 4.2%
Special Rate of Duty: Free; AAUBHCLCODEILJOKRMAOMPPAPESSG
Column 2 (Non-NTR): 30%

Total duty by countryAll 20 →

China41.7%
Mexico14.2%
Canada14.2%
Vietnam16.7%
Germany10%

Tariff updates

Recent US tariff actions that name 8459.21.00 or its heading.

Dec 18, 2025 · PublishedUS cuts reciprocal tariff on Swiss and Liechtenstein goods to 15% all-in, exempts certain products

All tariff updates

Tariffs by country · Oct 26, 2026

US Import Duty on HTS 8459.21.00 by Country of Origin

As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from China pay 41.7% in duties: the 4.2% base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%). Of the 20 largest sources of US imports, the lowest total is 10%, from Germany, Taiwan and 3 more.

Total duty from China

41.7%

Base rate plus 2 additional tariffs

Lowest total duty

10%

From Germany, Taiwan and 3 more

Countries with additional tariffs

20 of 20

Section 232, 301 and other Chapter 99 duties

Country of origin	Base rate	Additional tariffs	Total duty
China	4.2%	Section 301 – China25%9903.88.01 Section 301 – Forced Labor12.5%9903.05.31	41.7%
Mexico	4.2%	Section 301 – Forced Labor10%9903.05.55	14.2%0% with USMCA
Canada	4.2%	Section 301 – Forced Labor10%9903.05.29	14.2%0% with USMCA
Vietnam	4.2%	Section 301 – Forced Labor12.5%9903.05.84	16.7%
Germany	4.2%	Section 301 – Forced Labor5.8%9903.05.39	10%
Japan	4.2%	Section 301 – Forced Labor8.3%9903.05.49	12.5%
South Korea	4.2%	Section 301 – Forced Labor8.3%9903.05.71	12.5%
Taiwan	4.2%	Section 301 – Forced Labor5.8%9903.05.76	10%
India	4.2%	Section 301 – Forced Labor10%9903.05.44	14.2%
Ireland	4.2%	Section 301 – Forced Labor5.8%9903.05.39	10%
Italy	4.2%	Section 301 – Forced Labor5.8%9903.05.39	10%
Switzerland	4.2%	Section 301 – Forced Labor8.3%9903.05.74	12.5%
Thailand	4.2%	Section 301 – Forced Labor12.5%9903.05.77	16.7%
Malaysia	4.2%	Section 301 – Forced Labor10%9903.05.54	14.2%
United Kingdom	4.2%	Section 301 – Forced Labor10%9903.05.81	14.2%
France	4.2%	Section 301 – Forced Labor5.8%9903.05.39	10%
Indonesia	4.2%	Section 301 – Forced Labor10%9903.05.45	14.2%
Brazil	4.2%	Section 301 – Brazil25%9903.05.01 Section 301 – Forced Labor12.5%9903.05.27	41.7%
Bangladesh	4.2%	Section 301 – Forced Labor10%9903.05.26	14.2%
Cambodia	4.2%	Section 301 – Forced Labor10%9903.05.28	14.2%

Duty from each country, in words

As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from China pay 41.7% in duties: the 4.2% base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Mexico pay 14.2% in duties: the 4.2% base rate plus Section 301 – Forced Labor (10%). With USMCA, qualifying goods pay 0%.
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Canada pay 14.2% in duties: the 4.2% base rate plus Section 301 – Forced Labor (10%). With USMCA, qualifying goods pay 0%.
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Vietnam pay 16.7% in duties: the 4.2% base rate plus Section 301 – Forced Labor (12.5%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Germany pay 10% in duties: the 4.2% base rate plus Section 301 – Forced Labor (5.8%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Japan pay 12.5% in duties: the 4.2% base rate plus Section 301 – Forced Labor (8.3%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from South Korea pay 12.5% in duties: the 4.2% base rate plus Section 301 – Forced Labor (8.3%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Taiwan pay 10% in duties: the 4.2% base rate plus Section 301 – Forced Labor (5.8%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from India pay 14.2% in duties: the 4.2% base rate plus Section 301 – Forced Labor (10%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Ireland pay 10% in duties: the 4.2% base rate plus Section 301 – Forced Labor (5.8%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Italy pay 10% in duties: the 4.2% base rate plus Section 301 – Forced Labor (5.8%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Switzerland pay 12.5% in duties: the 4.2% base rate plus Section 301 – Forced Labor (8.3%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Thailand pay 16.7% in duties: the 4.2% base rate plus Section 301 – Forced Labor (12.5%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Malaysia pay 14.2% in duties: the 4.2% base rate plus Section 301 – Forced Labor (10%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from United Kingdom pay 14.2% in duties: the 4.2% base rate plus Section 301 – Forced Labor (10%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from France pay 10% in duties: the 4.2% base rate plus Section 301 – Forced Labor (5.8%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Indonesia pay 14.2% in duties: the 4.2% base rate plus Section 301 – Forced Labor (10%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Brazil pay 41.7% in duties: the 4.2% base rate plus Section 301 – Brazil (25%) and Section 301 – Forced Labor (12.5%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Bangladesh pay 14.2% in duties: the 4.2% base rate plus Section 301 – Forced Labor (10%).
As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Cambodia pay 14.2% in duties: the 4.2% base rate plus Section 301 – Forced Labor (10%).

Duties on goods entered Oct 26, 2026 at the general rate (Column 2 where it applies), with tariff data verified through 2026 HTS Revision 20. Totals are before customs fees (MPF, HMF) and any antidumping or countervailing duties (AD/CVD); with a free account, the calculator checks the AD/CVD cases that may cover your import. Some tariffs and exemptions depend on details such as metal content or end use, which the calculator asks about. See US tariffs for every country.

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New tariff action affects 1 of your imports

8459.21.00from China41.7% → 51.7%

Its rate today, if a new 10% tariff were added

Top origins · US imports 2025

Top Origins: Countries the US Imports HTS 8459.21.00 From

In 2025 the US imported $29M of numerically controlled (HTS 8459.21.00 and related codes), down 52% on 2024, mostly from Netherlands (28%), Canada (27%) and Italy (11%). Each country's total duty today is shown beside its imports.

Country of origin	US imports, 2025	Share	vs 2024	Total duty today
Netherlands	$8M	28%	18%	10%
Canada	$8M	27%	14%	14.2%0% with USMCA
Italy	$3M	11%	74%	10%
Turkey	$2M	7%	30%	16.7%
Germany	$1M	5%	3623%	10%
United Kingdom	$1M	5%	15844%	14.2%
Spain	$1M	5%	34%	10%
Taiwan	$1M	5%	852%	10%
Japan	$1M	4%	42%	12.5%
South Korea	$752K	3%	97%	12.5%

Source: U.S. Census Bureau, general imports (8-digit group, as Census has no figures for this exact line). Duty on a $10,000 ocean shipment entered today, before customs fees. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Legal notes

Relevant HTS Notes

Official USITC notes that may affect classification under HTS 8459.21.00.

Chapter 84 Notes (includes Section 16 Notes)Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

CBP rulings

Related CROSS Rulings for HTS 8459.21.00

CBP classification rulings related to 8459.21.00. Open a ruling to read how Customs classified a similar product.

No rulings found

No CROSS classification rulings were found for HTS code "8459.21.00".

Questions

HTS 8459.21.00 FAQ

Something else? Ask us.

What does HTS code 8459.21.00 cover?

HTS code 8459.21.00 covers numerically controlled, classified under Chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof) in the US Harmonized Tariff Schedule. The general duty rate is 4.2%. There are 2 more specific sub-classifications under this code.

What is the duty rate for HTS 8459.21.00?

The general (Column 1) rate of duty for HTS 8459.21.00 is 4.2%. Goods that qualify for a trade program can enter at the special rate: Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG). The Column 2 rate, for countries without normal trade relations, is 30%. Additional Chapter 99 tariffs, such as Section 301 and Section 232, can apply on top depending on the country of origin.

What is the US tariff on numerically controlled (HTS 8459.21.00) from China?

As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from China pay 41.7% in duties: the 4.2% base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).

What is the US tariff on numerically controlled (HTS 8459.21.00) from Vietnam?

As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Vietnam pay 16.7% in duties: the 4.2% base rate plus Section 301 – Forced Labor (12.5%).

What is the US tariff on numerically controlled (HTS 8459.21.00) from Mexico?

As of Oct 26, 2026, US imports of numerically controlled (HTS 8459.21.00) from Mexico pay 14.2% in duties: the 4.2% base rate plus Section 301 – Forced Labor (10%). Goods that qualify for USMCA pay 0%.

Which country has the lowest US duty on HTS 8459.21.00?

Of the 20 largest sources of US imports, the lowest total duty on HTS 8459.21.00 is 10%, from Germany, Taiwan and 3 more, as of the tariffs in effect on 2026-10-26.

Sources

Primary Sources

The official documents behind the rates and tariffs on this page. Duties are worked out from them as of Revision 20 (2026); check the legal text before you file.