Koyo Machinery Centerless Grinder G-20S-CNC from Japan
Koyo G-20S-CNC is a compact numerically controlled centerless grinder for small-diameter metal pins and semiconductor tooling shafts, achieving micron-level surface finishes via abrasive grinding. It supports high-volume production without fixturing centers, directly matching HTS 8460.22.00.80 for other NC centerless grinding machines. Used in processing metal parts for wafer slicers and polishers.
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
• Include ISO certification for abrasive wheel specs; declare max workpiece diameter to confirm 'other' status
• Pitfall: Incorrectly grouping with hand tools under 8460.90