11-1/4 Inch NQ Core Drill Bit from Mexico
An NQ-size surface set diamond core bit with 11-1/4 inch diameter for geological core sampling in exploration drilling. Classified under HTS 8207.19.30.60 as a core bit with tungsten carbide gauge protection exceeding 0.2% tungsten content. Ideal for medium-hard rock formations in mineral prospecting.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include core bit size specifications and diamond impregnation details in commercial invoices for accurate HTS verification
• Check for anti-dumping duties on Chinese-origin diamond tools
• Label as 'rock drilling core bit only' to prevent bundling as machinery parts