5-Inch Water Well Rock Bit from Japan
Button bit for rotary drilling through overburden into bedrock for water wells. Classified HTS 8207.19.60.70 as rotary rock core bit. Air-cooled design for deep hole stability.
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
• Well drilling permits validate rock penetration claims
• Distinguish from tricone bits in 8207.19.60.30