HS code · 6-digit subheading
HS Code 8456.90 – Machine tools; for working any material by removal of material; operated by other processes n.e.c. in heading 8456
HS code 8456.90 is the 6-digit subheading for machine tools, for working any material by removal of material, operated by other processes n.e.c. in heading 8456. It is used for electrochemical machining (ECM) systems, chemical milling machines, electro-chemical grinding (ECG) machines, magnetic abrasive finishing machines and abrasive flow machining (AFM) systems.
What HS 8456.90 covers
This residual category covers machine tools for material removal that operate by processes not specifically enumerated in other subheadings of 8456. This includes emerging or less common technologies such as electrochemical machining (ECM), chemical milling, electro-chemical grinding (ECG), or hybrid processes. These machines are often found in highly specialized applications, research and development, or niche manufacturing sectors where conventional or other non-conventional methods are unsuitable. Importers and exporters are typically advanced industrial nations and specialized engineering firms seeking cutting-edge solutions for complex material processing challenges. The trade reflects continuous innovation in manufacturing technology, addressing specific needs for precision, material compatibility, or surface integrity, and often involves custom-built or highly specialized equipment for unique industrial demands.
- Covers
- Electrochemical machining (ECM) systems
- Chemical milling machines
- Electro-chemical grinding (ECG) machines
- Magnetic abrasive finishing machines
- Abrasive flow machining (AFM) systems
- Cryogenic machining systems
- Laser-assisted machining (LAM) systems
- Examples
- ECM Technologies machines
- Extrude Hone AFM systems
- EMAG ECM machines
- POSALUX ECM machines
Codes often confused with 8456.90
Common mistake. This is a "basket" code, so it's often confused with other specific 8456 codes (e.g., 845611, 845620, 845630, 845640, 845650) if the process is not clearly defined or falls into one of those categories. Careful classification is needed to ensure the process is truly "not elsewhere specified."
Top exporters and importers of HS code 845690, 2025
In 2025, the largest exporter of HS code 845690 in UN Comtrade data was Germany, with 29% of world exports; the largest importer in UN Comtrade data was the United States, with 17% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Top exporters 2025 · share of world exports
- 1 Germany $86M 29% of world exports
- 2 Spain $29M 9.9% of world exports
- 3 Japan $25M 8.8% of world exports
World total: $290M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $55M 17% of world imports
- 2 China $52M 16% of world imports
- 3 India $31M 9.4% of world imports
World total: $327M 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 that did not report are estimated from what other countries recorded trading with them. 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 8456.90
Brazil does not split HS 8456.90: its NCM code is 8456.90.00.
All Brazil NCM codes in heading 84.56 →
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text is official; the English is our translation.
Questions about HS 8456.90
What is HS code 845690?
HS code 845690 is a 6-digit subheading in the Harmonized System that covers: Machine tools; for working any material by removal of material; operated by other processes n.e.c. in heading 8456. This residual category covers machine tools for material removal that operate by processes not specifically enumerated in other subheadings of 8456. This includes emerging or less common technologies such as electrochemical machining (ECM), chemical milling, electro-chemical grinding (ECG), or hybrid processes. These machines are often found in highly specialized applications, research and development, or niche manufacturing sectors where conventional or other non-conventional methods are unsuitable. Importers and exporters are typically advanced industrial nations and specialized engineering firms seeking cutting-edge solutions for complex material processing challenges. The trade reflects continuous innovation in manufacturing technology, addressing specific needs for precision, material compatibility, or surface integrity, and often involves custom-built or highly specialized equipment for unique industrial demands.
What products fall under HS code 845690?
Electrochemical machining (ECM) systems, chemical milling machines, electro-chemical grinding (ECG) machines, magnetic abrasive finishing machines, abrasive flow machining (AFM) systems, cryogenic machining systems, laser-assisted machining (LAM) systems
What are common misclassifications for HS code 845690?
This is a "basket" code, so it's often confused with other specific 8456 codes (e.g., 845611, 845620, 845630, 845640, 845650) if the process is not clearly defined or falls into one of those categories. Careful classification is needed to ensure the process is truly "not elsewhere specified."
Which countries are the top exporters of goods under HS code 845690?
In 2025, the top exporters of HS code 845690 in UN Comtrade data were Germany ($86M, 29% of world exports), Spain ($29M) and Japan ($25M). World exports came to about $290M, 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 goods under HS code 845690?
In 2025, the top importers of HS code 845690 in UN Comtrade data were the United States ($55M, 17% of world imports), China ($52M) and India ($31M). World imports came to about $327M, 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.
How is HS code 845690 structured?
HS code 845690 is a 6-digit subheading under the Harmonized System. The first 2 digits (84) identify the chapter, digits 3-4 (56) identify the heading, and digits 5-6 (90) specify the subheading. This code is standardized globally by the World Customs Organization.
What is the Brazil NCM code for HS code 845690?
In Brazil, HS code 845690 is NCM 8456.90.00. The last two digits are 00 because Brazil does not split this HS code further.