Carbonado Diamond Chunks for Drilling
Carbonado diamond chunks for drilling, rough carbonado chunks selected for high-impact drilling applications in mining, valued for opacity and fracture resistance. These are unmounted, worked industrial diamonds under tariff item 7102.29.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the chunks are mounted on drill bits
Mounted diamond tools are classified as tools.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the chunks are not mounted on drilling equipment; if mounted, they may be classified under tools
• Keep records of the industrial use to avoid gem classification
Related Products under Tariff item 7102.29.00
Black Carbonado Aggregates
Black carbonado aggregates, porous diamond masses known as black diamonds, used exclusively for high-pressure industrial cutting and grinding. These are unmounted, worked industrial diamonds, classified under tariff item 7102.29.00 as 'other'.
Boart Miners' Diamonds for Tunneling Equipment
Boart miners' diamonds for tunneling equipment, irregular boart diamonds for tunnel boring machine cutters in underground mining. These are unworked, unmounted miners' diamonds, classified under tariff item 7102.29.00 as 'other' industrial diamonds.
Bort Miners' Diamonds for Saw Blades
Bort miners' diamonds for saw blades, crushed and irregular bort diamonds for embedding in industrial saw blades for stone cutting. These are unmounted, unworked industrial diamonds, classified under tariff item 7102.29.00 as 'other'.
Carbonado Diamond Powder Precursor
Carbonado diamond powder precursor, large carbonado fragments awaiting crushing into industrial diamond powder for wire sawing. These are unmounted, worked industrial diamonds, not yet in powder form, classified under tariff item 7102.29.00.
Crushed Miners' Diamonds for Abrasive Mining Tools
Crushed miners' diamonds for abrasive mining tools, coarsely crushed natural miners' diamonds for manufacturing abrasive tools for coal and mineral mining. These are unworked, unmounted, classified under tariff item 7102.29.00 as 'other' industrial diamonds.
CVD Polycrystalline Diamond Sheets
CVD polycrystalline diamond sheets, chemically vapor deposited and worked into plates for cutting tool inserts and wear parts. These are unmounted industrial diamonds, not suitable for jewelry, and fall under tariff item 7102.29.00 as 'other' diamonds.