Data as of April 30, 2026 — verify status before relying on rates. Check data status →
HTS Browser / Section XVI — Machinery, electrical equipment / Chapter 84 / Heading 8466 / 8466
HTS 8466 Chapter 84 Section XVI Synced Apr 30, 2026

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:

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:

Base HTS duty
Column 1 General
Effective (Mexico)
15%
Ch. 99
Stacked measures
1
at Mexico
Last change
2 months
Ch. 99 15.0%

What this covers

Parts and accessories designed for use with machines classified under headings 8456 to 8465, such as work or tool holders, self‑opening dieheads, dividing heads, and other special attachments, including tool holders for hand tools.

work holder self-opening diehead dividing head tool holder
Duty stack · origin mexico

How the 15.0% is built.

0%3.8%7.7%11.5%15.4%
122 · 15.0%
Section 122
All origins except · 9903.01.80
+15.00%
MPF (merchandise processing)
0.3464% · min $31.67 / max $614.35
+0.35%
Effective ad valorem duty (excl. fees)
15.00%
Stacking order
  1. 1
    Apply base HTS rate
    Column 1 General (MFN) or Special (FTA)
  2. 2
    Add Section 301 (if origin qualifies)
    Chapter 99 subheading layered on
  3. 3
    Add IEEPA / 232 surcharges
    Country-scoped emergency measures
  4. 4
    Add MPF & HMF fees
    Applied to entered value

You may also consider

  • 8456

    Machines for metalworking, cutting, drilling, etc.

  • 8457

    Machines for metalworking, grinding, polishing, etc.

  • 8465

    Machines for working in the hand, e.g., hand tools.

Origin matters

Rate by country of origin

Same HTS, very different landed cost. Here's how 8466 looks from the top trading partners — on a $10,000 shipment.

FTA partner Section 301 IEEPA in effect
Rates from last sync on Apr 30, 2026 · assumes entered value $10,000 · fees (MPF/HMF) excluded from the comparison above.
Questions about 8466

FAQ for this HTS code.

What is this HTS code?

This is a US Harmonized Tariff Schedule (HTS) code that classifies "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 determines base duty rates for imports; additional duties may apply by country of origin.

Does origin affect duty?

Yes. General and Special rates apply by trade agreement and origin. Additional duties (Section 301, 232, IEEPA) are origin-specific. Use the tariff calculator or resolve API with an origin to see full duty.

How do I compute total duty?

Use our tariff calculator (with HTS and optional origin) or the API endpoint GET /api/v1/tariffs/resolve with hts and origin. The API returns base tariffs and additional measures separately; sum as needed for your use case.

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Tariff data is informational; final determinations are made by CBP.
HTS 8466 · synced Apr 30, 2026 14:22 UTC