11-1/4 Inch NQ Core Drill Bit from China
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 — China → United States
40%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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