Boart Miners' Diamonds for Tunneling Equipment from United States
Boart miners' diamonds for tunneling equipment, irregular diamonds for tunnel boring machine cutters. These are unmounted, unworked industrial diamonds, classified under tariff item 7102.29.00 as other industrial diamonds.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the diamonds are not mounted or set
• Provide evidence of tunneling use
• Classify as industrial, not gem-quality