9-Inch Step Reamer for Tunnel Boring from Mexico
Multi-step PDC reamer for enlarging pilot holes in tunnel boring machine operations through rock. HTS 8207.19.60.70 covers this as other rotary rock reamers. Provides staged diameter expansion for precise tunnel alignment.
Duty Rate — Mexico → United States
12.9%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Detail step diameters and PDC gauge protection for customs rock tool confirmation
• TBM compatibility certificates prevent parts classification issues