Wafer Grinder Spindle Chuck

Vacuum or mechanical spindle chuck for holding silicon wafers during backgrinding to target thickness (50-100μm) in 8465 grinder machines. Features edge grip and vacuum ports for thin wafer handling. 8466.92.50 tool holder for heading 8465.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China4.7%+35.0%39.7%
🇲🇽Mexico4.7%+10.0%14.7%
🇨🇦Canada4.7%+10.0%14.7%
🇩🇪Germany4.7%+10.0%14.7%
🇯🇵Japan4.7%+10.0%14.7%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8466.30.10Lower: 38.7% vs 39.7%

If suitable for general hand-held tool working

Work/tool holders not principally for 8465 machines fall under separate 8466 subheading.

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Import Tips & Compliance

Specify vacuum specifications and wafer size compatibility (200mm, 300mm, 450mm)

Prove exclusive use in semiconductor wafer grinding vs general machining

Avoid classifying as generic work holder under 8466.30 if semiconductor-specific

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Double-Sided Wafer Lapping Carrier

Precision carrier plate holding multiple wafers between upper/lower lapping plates in double-sided lappers (8465). Ensures parallel thickness reduction. Classified 8466.92.50 work holder.

Czochralski Crystal Puller Spindle Assembly

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