Laser Scan Micrometer Calibration Block from Japan
Precision-ground reference block for calibrating non-contact laser scan micrometers in HTS 9031. Ensures measurement system accuracy for diameter/gap checking. Accessory solely for 9031 optical measuring instruments.
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
• Certify tolerances to ±0.1μm; lesser precision shifts to 7326 metal standards
• Pair with instrument invoices to establish dedicated use relationship
• Avoid 'gauge block' generic labeling triggering 9031.41 classification