Synthetic Diamond Powder for Oil Drilling Bits from Japan
Coarse synthetic diamond powder designed for matrix bonding in PDC (Polycrystalline Diamond Compact) drill bits for oil/gas exploration. Meets HTS 7105.10.0050 powder criteria (90% <0.5mm). Industrial grade excluding jewelry applications.
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 API/ISO specifications confirming suitability for drill bit impregnation
• Ship in anti-static containers; static discharge can alter powder characteristics
• Document thermal stability rating (>700°C) to verify industrial drilling grade