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HTS 8459.21.00Chapter 84

HTS 8459.21.00Numerically controlled Duty Rate & Import Guide

Nuclear Reactors, Boilers, Machinery · $14.0M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

4.2%

Special

Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

Column 2

30%

Preferential Rates Available

Trade Agreement Eligibility

CUSMAKORUS

Notes

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Trade Intelligence

Monthly Imports

$14.0M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

2 rulings — · 0 reg · 0 cases

Global Rates

🇺🇸 4.2%

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 3 NCM codes

Compare All →

Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-28 · Updates monthly

Supply Chain Risk

100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.

Trade Remedy

Additional Tariffs Apply

Section 301 — China Tariffs+25%

List 1 — ~$34B of Chinese goods (machinery, electronics, industrial components)

Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.

Effective 2018-07-06

These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →

Subheadings (3)

CodeDescriptionRate
8459.21.00Numerically controlled4.2%
8459.21.00.40Used or rebuilt
8459.21.00.80Other

CBP Rulings (2)

087360Classification

NC drilling and tapping center, other threading or tapping machines machine tool, machining center, automatic tool change, spindle

085703Classification

Machine tool

Matching Export Code (Schedule B)

8459210040Schedule B

DRILLING MACHINES, METAL REMOVING, NUMERICALLY CONTROLLED, USED OR REBUILT

Census Bureau export classification matching this HTS import code.

8459.10.00.008459.21.00.40