Boart Miners' Diamonds for Tunneling Equipment
Irregular boart diamonds for tunnel boring machine cutters in underground mining operations. These unworked miners' diamonds fall under HTS 7102.29.0020 as other industrial variants. Their toughness excels in rock penetration tasks.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +35.0% | 35% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +10.0% | 10% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If as parts of boring machinery
Diamonds embedded in finished tunneling machine parts classify with the machinery in 8430.
If sorted 0.25-0.50 carat industrial
Precise size sorting for industrial use dictates specific 7102.21 sub-subheadings.
If used in imitation jewelry
Industrial diamonds in non-precious settings may qualify as imitation jewelry under 7117.
Not sure which classification is right?
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Import Tips & Compliance
• Use ISDN (International Standard Diamond Notation) for accurate grading in entries
• Segregate shipments by mine origin to leverage preferential duty programs
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Industrial Cleavage Miners' Diamonds
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