Synthetic Diamond Grinding Wheel for Metalworking from Japan
A precision grinding wheel made from agglomerated synthetic diamond abrasives, designed for grinding and sharpening hardened steel tools and metal surfaces. It falls under HTS 6804.21.00.90 as it is a grindstone of agglomerated synthetic diamond, excluding common framework-mounted types. Used in workshops for high-precision finishing without frameworks.
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
• Verify abrasive composition certification to confirm synthetic diamond agglomeration per Chapter 68 notes
• Include material safety data sheets (MSDS) for diamond abrasives to avoid customs delays on hazardous classifications
• Label as 'without frameworks' to prevent misclassification under mounted tool headings