Product classification
HS code for CNC boring-milling machine: 8459.31
Machine-tools, for boring-milling by removing metal, numerically controlled.
Classification of CNC boring-milling machine under HS 8459.31
A CNC boring-milling machine is classified under HS code 845931. This classification is specifically assigned to numerically controlled machine-tools that are capable of performing both boring and milling operations by removing metal. The "numerically controlled" aspect is crucial, indicating that the machine's functions are automated and precisely guided by computer programming, allowing for complex and accurate machining tasks. The defining characteristic of this code is the dual capability of boring (enlarging or finishing holes) and milling (removing material using rotary cutters). This combination makes these machines highly versatile for various metalworking applications, distinguishing them from machines dedicated solely to one function.
- Covers
- CNC horizontal boring and milling machines
- CNC vertical boring and milling machines
- Numerically controlled machining centers with integrated boring and milling functions
- Multi-axis CNC boring-milling machines for complex part fabrication
- Automated boring-milling machines used in mold and die making
- Also under 8459.31
- DMG Mori DMU series
- Mazak Integrex series
- Okuma Multus series
- Haas UMC series
- Fidia K series
Codes often confused with 8459.31
Common mistake. Common misclassification for CNC boring-milling machines often occurs when distinguishing them from machines dedicated to a single function. For instance, numerically controlled boring machines that do not have significant milling capabilities are classified under HS code 845941. Similarly, numerically controlled milling machines that do not perform boring operations are classified under HS code 845951. Non-numerically controlled boring-milling machines would fall under HS code 845939. The key differentiator for 845931 is the integrated and numerically controlled capability to perform both boring and milling operations, offering a combined solution for metal removal tasks. Careful assessment of the machine's primary and secondary functions is essential for accurate classification.
Top exporters and importers of HS 845931 (the code used for CNC boring-milling machine), 2025
In 2025, the largest exporter of HS 845931 (the code used for CNC boring-milling machine) in UN Comtrade data was Germany, with 27% of world exports; the largest importer in UN Comtrade data was the United States, with 19% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 845931, not only CNC boring-milling machine.
Top exporters 2025 · share of world exports
- 1 Germany $172M 27% of world exports
- 2 Italy $158M 25% of world exports
- 3 China $78M 12% of world exports
World total: $640M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $93M 19% of world imports
- 2 Germany $50M 10% of world imports
- 3 Russia* ~$43M 8.7% of world imports · partner records ↗
World total: $499M Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries marked * did not, so their figures add up what other countries recorded trading with them, and their exports are valued at buyers' CIF prices. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM code for CNC boring-milling machine
Brazil classifies CNC boring-milling machine under NCM 8459.31.00: HS 8459.31 with 00 added.
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about CNC boring-milling machine
What is the HS code for CNC boring-milling machine?
The HS code for CNC boring-milling machine is 845931 (Machine-tools; for boring-milling by removing metal, numerically controlled). The HS code for a CNC boring-milling machine is 845931.
How do I classify CNC boring-milling machine for customs?
CNC boring-milling machine is classified under HS code 845931 — Machine-tools; for boring-milling by removing metal, numerically controlled. This is a 6-digit subheading level code.
What is the primary advantage of a machine classified under HS code 845931?
The primary advantage of a machine classified under HS code 845931 is its integrated capability to perform both numerically controlled boring and milling operations, offering versatility and efficiency for complex metal removal tasks within a single machine.
Which countries are the top exporters of CNC boring-milling machine (HS 845931)?
In 2025, the top exporters of HS 845931 (the code used for CNC boring-milling machine) in UN Comtrade data were Germany ($172M, 27% of world exports), Italy ($158M) and China ($78M). World exports came to about $640M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of CNC boring-milling machine (HS 845931)?
In 2025, the top importers of HS 845931 (the code used for CNC boring-milling machine) in UN Comtrade data were the United States ($93M, 19% of world imports), Germany ($50M) and Russia (about $43M). World imports came to about $499M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for CNC boring-milling machine the same in all countries?
The base HS code 845931 for CNC boring-milling machine is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for CNC boring-milling machine in Brazil?
In Brazil, CNC boring-milling machine (HS 845931) is classified under NCM 8459.31.00.