Wafer Grinder Coolant Nozzle Manifold

Stainless steel manifold attachment with multiple nozzles that mounts on wafer grinders/lappers (8429) to deliver deionized water coolant precisely during semiconductor wafer surface preparation. 8431.49.9020.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

8481.80.90Higher: 37% vs 35%

If functions primarily as valve/apparatus rather than simple nozzle mount

Apparatus for controlling flow classify under valves.

7307.19.30Higher: 40.6% vs 35%

If imported as pipe fitting without precision nozzle machining

Stainless fittings default to chapter 73.

8424.90.90Same rate: 35%

If for mechanical spraying equipment rather than grinding attachments

Spray attachments shift to heading 8424 parts.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Document DI water purity requirements and flow rates per nozzle

Photograph mounting interface matching specific grinder models

General manifolds risk 8481 classification if pump-integrated

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