5-Inch Water Well Rock Bit from Canada
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 — Canada → United States
12.9%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Well drilling permits validate rock penetration claims
• Distinguish from tricone bits in 8207.19.60.30