4-Inch Dry Diamond Polishing Pad for Concrete from Japan
A 4-inch circular steel plate with attached metal-bonded diamond segments for dry polishing concrete floors. Classified under HTS 6804.21.00.30 due to its multiple diamond agglomerate segments on a steel plate, excluding cutting edges, for grinding and polishing applications. Commonly used in construction and renovation.
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
• Label as 'polishing only' to distinguish from cutting wheels and prevent misclassification under cutting tool codes
• Provide grinding RPM specifications in invoices to confirm non-cutting use per HTS description
• Check for anti-dumping duties on Chinese-origin diamond abrasives; origin certificates are essential