Brazil NCM · 8-digit code

NCM 8466.10.00 – Tool holders and self-opening dieheads

NCM 8466.10.00 (also written 84661000) is Brazil's code for tool holders and self-opening dieheads. Its first 6 digits are HS code 8466.10.

Official description of NCM 8466.10.00

PortuguêsOfficial
Porta-ferramentas e fieiras de abertura automática
EnglishUnofficial translation

Parts & accessories suited for use solely/principally with machines of headings 8456-8465; tool holders and self-opening dieheads

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 8466.10.00

84Chapter 66Heading 10Subheading

HS code 8466.10
Same in every country

0Item 0Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. The last two digits are 00 because Brazil does not split this HS code further. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 84 Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof Reatores nucleares, caldeiras, máquinas, aparelhos e instrumentos mecânicos, e suas partes.
  2. Heading 84.66 Parts & accessories suited for use only/mainly with machines of headings 8456-8465, including work/tool holders, self-opening dieheads, dividing heads & other special attachments for the machines; tool holders for any type of tool for working in the hand Partes e acessórios reconhecíveis como exclusiva ou principalmente destinados às máquinas das posições 84.56 a 84.65, incluindo os porta-peças e porta-ferramentas, as fieiras de abertura automática, os dispositivos divisores e outros dispositivos especiais, para estas máquinas; porta-ferramentas para ferramentas manuais de qualquer tipo.
  3. Subheading 8466.10 Parts & accessories suited for use solely/principally with machines of headings 8456-8465; tool holders and self-opening dieheads
  4. Subitem 8466.10.00 Parts & accessories suited for use solely/principally with machines of headings 8456-8465; tool holders and self-opening dieheads Porta-ferramentas e fieiras de abertura automática

Questions about NCM 8466.10.00

What is NCM 8466.10.00?

NCM 8466.10.00 (84661000) is the Brazilian (Mercosur) code for tool holders and self-opening dieheads. Its official Portuguese description is “Porta-ferramentas e fieiras de abertura automática”.

What is the HS code for NCM 8466.10.00?

HS 8466.10 (Parts & accessories suited for use solely/principally with machines of headings 8456-8465; tool holders and self-opening dieheads). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 8466.10.00?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.