Hydraulic Rock Breaker Chisel from Japan
A hardened steel chisel insert for hydraulic rock breakers mounted on tunneling machinery of heading 8430. Engineered to fracture coal seams and hard rock with high-impact hydraulic hammers. Falls under 8431.49.90.34 as a specialized part for rock cutters and tunneling equipment.
Duty Rate — Japan → United States
10%
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
• Include hydraulic pressure ratings and compatibility certificates with 8430 machines; ensure proper heat treatment documentation for customs valuation; avoid misdeclaring as general steel articles