Rebuilt Disco DFG8360 Wafer Grinder from Japan
A refurbished double-disk grinder for back-grinding semiconductor wafers to ultra-thin specifications using diamond abrasives. Classified under HTS 8460.40.8010 as a rebuilt grinding machine for cermet-like wafer materials in semiconductor processing. It prepares wafers for packaging by reducing thickness while maintaining flatness.
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
• Provide rebuild invoices and test reports post-refurbishment; US Customs requires proof it's not 'new' to qualify for used rates
• Declare precise wafer thickness capabilities in entry docs; mismatch leads to reclassification
• Check for dual-use export licensing if grinder supports advanced node semiconductors