Brazil NCM · 8-digit subitem

NCM 7407.10.21 – Hollow profiles of refined copper

NCM 7407.10.21 (also written 74071021) is Brazil's code for hollow profiles of refined copper. Its first 6 digits are HS code 7407.10.

Official description of NCM 7407.10.21

PortuguêsOfficial
Ocos
EnglishUnofficial translation

Hollow

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

How to read NCM 7407.10.21

74Chapter 07Heading 10Subheading

HS code 7407.10
Same in every country

2Item 1Subitem

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. Digits 7 and 8 are Brazil's own split of that HS code. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 74 Copper and articles thereof Cobre e suas obras.
  2. Heading 74.07 Copper; bars, rods and profiles Barras e perfis, de cobre.
  3. Subheading 7407.10 Copper; bars, rods and profiles, of refined copper De cobre refinado (afinado)
  4. Item 7407.10.2 Profiles Perfis
  5. Subitem 7407.10.21 Hollow Ocos

Other NCM codes under HS 7407.10

7407.10.10 Refined copper barsBarras 7407.10.29 Non-hollow refined copper profilesOutros

Questions about NCM 7407.10.21

What is NCM 7407.10.21?

NCM 7407.10.21 (74071021) is the Brazilian (Mercosur) code for hollow profiles of refined copper. Its official Portuguese description is “Ocos”.

What is the HS code for NCM 7407.10.21?

HS 7407.10 (Copper; bars, rods and profiles, of refined copper). 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 7407.10.21?

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.