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Numerically Controlled Wafer Grinder for Crystal Boules from Canada

CNC grinder designed to precision-grind semiconductor crystal boules to exact diameters and flats indicating conductivity type, as per statistical notes for wafer preparation. Falls under HTS 8460.90.4060 as a numerically controlled machine for grinding metal (silicon) using abrasives. Essential step before slicing wafers from monocrystalline boules.

Duty Rate — Canada → United States

14.4%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Include boule diameter specs and flat-grinding documentation matching statistical note descriptions

Avoid misdeclaration as general metal grinders by specifying semiconductor end-use

Calibrate and certify spindle accuracy before shipment to prevent inspection delays