Used boule Diameter Grinder
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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for precise diameter reduction
Centerless or cylindrical grinders for metal are in 8460.29.
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Import Tips & Compliance
• Provide measurement traceability to NIST or equivalent
• Declare spindle runout specs under 1 micron
• Confirm no coolant system modifications affecting classification
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