Carbonado Diamond Chunks for Drilling from United States
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.
Duty Rate — United States → Canada
0%
Import Tips
• 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