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Home › Chapter 84 › Heading 8466

HS Heading 8466 : Parts and accessories suitable for use solely or principally with the machines of headings 8456 to 8465, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of tool for working in the hand

HEADING DEFINITION & DISAMBIGUATION

HS Heading 8466 encompasses parts and accessories suitable for use solely or principally with the machines of headings 8456 to 8465, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of tool for working in the hand. It classifies 7 6-digit WCO subheadings within Chapter 84 under the Harmonized System [USITC HTS 2026].

Chapter
Heading
8466
Subheadings
7 HS6
Status
Verified 2026

Subheadings Under Heading 8466

HS Code WCO 6-Digit Subheading Description Chapter Operational Package
8466.10 Tool holders and self-opening dieheads 84 View 8466.10 Package →
8466.20 Work holders 84 View 8466.20 Package →
8466.30 Dividing heads and other special attachments for machines 84 View 8466.30 Package →
8466.91 Other, For machines of heading 8464 84 View 8466.91 Package →
8466.92 Other, For machines of heading 8465 84 View 8466.92 Package →
8466.93 Other, For machines of headings 8456 to 8461 84 View 8466.93 Package →
8466.94 Other, For machines of heading 8462 or 8463 84 View 8466.94 Package →
DISAMBIGUATION & CLASSIFICATION GUIDE

How to Select the Correct Subheading Under Heading 8466

Commercial shipments must be declared under the exact 6-digit WCO subheading that matches physical, chemical, or processing characteristics. Review the subheading descriptions above and verify against binding CBP CROSS rulings prior to entry filing.

Official Primary Sources & Authority References

USITC HTS Heading 8466 ↗

United States International Trade Commission official Harmonized Tariff Schedule.

CBP CROSS Rulings ↗

CBP e-Rulings database for Heading 8466 precedent rulings.

WCO Nomenclature ↗

World Customs Organization Harmonized System 2022 nomenclature standard.

U.S. Census Foreign Trade ↗

U.S. Census Bureau HTS-to-NAICS concordance and Schedule B export database.

Heading 8466 Frequently Asked Questions (FAQ)

What commercial articles are grouped under HS Heading 8466?
HS Heading 8466 covers Parts and accessories suitable for use solely or principally with the machines of headings 8456 to 8465, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of tool for working in the hand, grouping 7 6-digit WCO subheadings.
How are 6-digit subheadings structured under Heading 8466?
Subheadings under Heading 8466 range from 8466.11 to 8466.90, classifying goods by processing state, origin, or material composition.
What is the representative US import duty rate for Heading 8466?
US MFN general duty rates for Heading 8466 commodities range from Duty-Free up to representative ad valorem percentages under the 2026 US HTS.
Are Section 301 tariffs applicable to goods under Heading 8466?
Section 301 additional tariffs depend on the specific 8-digit or 10-digit US HTS code and country of origin (e.g. China Lists 1–4A).
What PGA message set flags apply to Heading 8466?
Partner Government Agency flags (FDA, USDA APHIS, EPA) apply depending on the specific commodity sub-classification.
How do I distinguish between subheadings under Heading 8466?
Review WCO subheading terms and candidate descriptions. For example, unroasted vs. roasted or decaffeinated vs. non-decaffeinated.
Can goods under Heading 8466 enter duty-free under USMCA?
Yes. Goods originating in USMCA territories (US, Mexico, Canada) enter duty-free under SPI code P with a valid Certificate of Origin.
What is the Section 321 de minimis limit for Heading 8466?
Eligible import shipments valued at $800 USD or less imported by one person on one day enter duty-free under 19 U.S.C. 1321.
What documents are required for formal customs entry of Heading 8466?
Commercial Invoice, Packing List, Bill of Lading, and CBP Form 7501 are mandatory for entries exceeding $2,500 USD.
How can an importer get a binding CBP classification ruling for Heading 8466?
Importers may apply for a binding ruling via CBP National Commodity Specialist Division under 19 CFR Part 177.