Boule Grinder Diameter Gauge from China
An in-process laser diameter measurement gauge used with crystal boule grinders, providing real-time feedback to CNC controls to ensure wafers cut from boules meet SEMI diameter tolerances of ±0.5 mm. It is a part of the crystal grinding machines of tariff item 8479.89.10, as it contributes to the machine's individual function of shaping semiconductor boules.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the gauge is declared as a part of the crystal grinder (8479.89.10) to qualify for this parts classification
• Keep documentation showing its specific use with boule grinders to avoid reclassification
• Verify if the gauge incorporates any electronic components that might trigger Chapter 85 classification