Air Bearing Internal Cylindrical Grinding Machine from Japan
Advanced grinder utilizing air bearings for ultra-precise internal cylindrical finishing of metal sleeves used in semiconductor handlers and testers. HTS 8460.29.0130 covers this as other internal cylindrical grinding machine for metal surface finishing.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document spindle runout specifications (<0.1 micron) to confirm precision grinding classification
• Separate coolant system value if imported disassembled; common issue is incorrect assembly classification
• Comply with export control regs for high-precision machines potentially dual-use