11-1/4 Inch NQ Core Drill Bit from China
The 11-1/4 inch NQ core drill bit is a surface set diamond core bit for geological core sampling in exploration drilling. It features tungsten carbide gauge protection exceeding 0.2% tungsten, ensuring durability in abrasive formations. This product falls under tariff item 8207.19.00 as an interchangeable rock drilling tool.
Duty Rate — China → Canada
0%
Import Tips
• Document the tungsten carbide gauge protection content and diamond quality for customs classification
• Verify if the bit qualifies for preferential treatment under a free trade agreement with the country of origin
• Keep the NQ size specifications and drilling application details available for CBSA