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
15%
Rate breakdown
9903.82.2215%Derivative steel articles the product of Argentina, Ecuador, El Salvador, Guatemala, Japan, the Republic of Korea, Liechtenstein, Switzerland, Taiwan, the United Kingdom, or a member nation of the European Union, as provided for in subdivision (c)(xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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