High-Speed Internal Profile Grinder from Japan
Machine for grinding complex internal cylindrical profiles in metal molds for semiconductor leadframes using high-speed CBN wheels. Classified HTS 8460.29.0130 as other internal cylindrical finishing grinder.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Specify wheel speed (>60m/s) and profile capability in tech specs for proper subheading
• CBN wheel value often significant; declare separately if inventoried
• Thermal displacement compensation docs prevent misclassification as basic grinder