7-Inch Hybrid Core Bit from Japan
Hybrid bit combining PDC and diamond impregnation for directional rock coring in HDD applications. Falls under HTS 8207.19.60.70 as other rotary core bits for rock. Balances steerability and penetration rate.
Duty Rate — Japan → United States
12.9%
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
Import Tips
• Describe hybrid cutter technology clearly to maintain rock bit status
• HDD project specifications aid end-use determination