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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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