VOL. I · WASHINGTON TARIFF DECISION ASSISTANT · April 25, 2026
§ HTS 8466.30 · US import duty

Dividing heads and other special attachments for machines:

HTS 8466.30 covers Dividing heads and other special attachments for machines:, classified under HS chapter 84. The MFN (general column) base duty is Free. No Chapter 99 overlays are active. Imports from China typically incur the Section 301 / IEEPA additional duties listed above; imports from Vietnam, Mexico, India and other origins generally pay only the MFN base unless an origin-specific overlay applies. Antidumping (AD) and countervailing duty (CVD) cases are NOT evaluated on this page — check ADCVD orders separately. Source: USITC HTS release 2026HTSRev6. CBP determines the binding classification and duty at entry.

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: · Dividing heads and other special attachments for machines:
Open interactive calculator
HTS CODE
8466.30
General (MFN)—
§99 overlays0

Base tariff columnsBase tariff columns

Column rates from the USITC HTS export. The column that applies depends on origin and trade-program eligibility.

General (MFN)Free
Special—
Other (Column 2)—

Official source: USITC Harmonized Tariff Schedule. Duty at entry is determined by US Customs and Border Protection (CBP). AD/CVD and product-specific exclusions are not evaluated by default.

Chapter 99 overlaysChapter 99 overlays

No Chapter 99 overlays are currently linked to this HS code.

Sample duty by originSample duty by origin

Illustrative calculation at USD 10,000 customs value, standard (non-preferential) claim. Chapter 99 additional duties applied where status is active.

Origin Base rate Chapter 99 Total rate Duty (USD)
China (CN) 0% 0% 0% $0.00
Vietnam (VN) 0% 0% 0% $0.00
Mexico (MX) 0% 0% 0% $0.00
India (IN) 0% 0% 0% $0.00
South Korea (KR) 0% 0% 0% $0.00

§ RELATED ENTRIESAll tariff lines under HTS 8466.30

All 8-digit tariff lines and deeper statistical suffixes under subheading 8466.30.

§ FAQFrequently asked questions

What is the US import duty for HTS 8466.30?
HTS 8466.30 (Dividing heads and other special attachments for machines:) has a general (MFN) column rate of Free/—. No Chapter 99 overlays are currently linked to this line. Final duty is determined by CBP at entry.
Does Section 301 or IEEPA tariff apply to HTS 8466.30?
No Chapter 99 overlay is linked to this line in our current snapshot. That means no Section 301, IEEPA, or reciprocal additional duty is mechanically attached. Always double-check against the latest Federal Register for proclamations that may not yet be reflected in the HTS export.
How do I check if HTS 8466.30 qualifies for a Section 301 exclusion?
Most machinery (Chapter 84) and electronics (Chapter 85) lines from China are covered by Section 301 List 1–4 overlays. USTR publishes exclusions with specific product descriptions — matching by HTS code alone is not sufficient, the product must meet the exclusion description. Check USTR exclusion databases and the latest Federal Register notices.
How do I compare duty from different countries for HTS 8466.30?
Use the origin compare view to evaluate this HS code against alternative countries. The calculator applies each country-specific Chapter 99 overlay and the appropriate column rate.
Is this the binding duty determination?
No. This page is a reference built on USITC + Federal Register open data. The binding classification and duty amount is determined by CBP at entry. AD/CVD and product-specific exclusions require separate review.