Halco 400 Series DTH Hammer Bit from Canada
Halco 400 Series down-the-hole (DTH) percussion rock drill bit for 4-inch hammers in water well and mining applications. Convex gauge buttons with tungsten carbide over 0.2% provide face cleaning and stability. HTS 8207.19.3030 applies to its percussion design and alloyed cutting part.
Duty Rate — Canada → United States
15%
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
• Certify as 'DTH percussion type' vs rotary to prevent misclassification; common issue with mixed shipments
• Provide drilling speed specs for end-use verification
• Ensure no contamination with heading 8215 articles