NQ Size Diamond Core Drill Bit from China
Standard NQ (2.98" core) diamond impregnated bit for wireline coring systems in mineral exploration. Falls under HTS 8207.19.60.65 as rotary core bit with diamond working part for rock drilling. Industry standard for consistent sample recovery.
Duty Rate — China → United States
40.4%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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
• Reference exact wireline system size (NQ, HQ, PQ) in all documentation for size breakout accuracy
• Multiple bit sets require piece count reporting per statistical note guidelines
• Avoid valuation issues by declaring consistent unit pricing across size variants