8.5 Inch Tricone Rock Drill Bit from Japan
Tungsten carbide insert tricone rock drill bit (8-5 inches) with sealed bearings for rotary drilling in construction pile foundations. HTS 8207.19.30.60 due to high tungsten content in inserts exceeding 0.2% by weight. Suitable for soft to medium-hard formations.
Duty Rate — Japan → United States
15%
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
• Specify IADC code and formation type on invoices to demonstrate rock drilling purpose
• Test reports for tungsten carbide insert composition required for subheading
• Separate from water well bits which may have different oilfield classifications