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8463.90.00.40/Used boule Diameter Grinder/Mexico

Used boule Diameter Grinder from Mexico

Rebuilt grinder that reduces crystal boule diameter to exact wafer specifications. Under 8463.90.0040 as used precision metalworking without primary removal. Ensures uniform wafer slicing.

Duty Rate — Mexico → United States

14.4%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Provide measurement traceability to NIST or equivalent

• Declare spindle runout specs under 1 micron

• Confirm no coolant system modifications affecting classification