Monocrystalline Wafer Hydraulic Clamp Cylinder

Precision hydraulic clamp cylinder holding semiconductor wafers during lapping and polishing operations. Part of linear acting hydraulic motors under HTS 8412.90.90.05 for wafer preparation equipment. Vacuum-compatible for cleanroom use.

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.

8466.94.85Higher: 39.7% vs 35%

If complete wafer processing machine parts

Identifiable machine parts classified with complete equipment.

7326.90.86Higher: 37.9% vs 35%

If simple steel clamping devices

Basic mechanical clamps separated from powered hydraulic.

8412.90.90.25Same rate: 35%

If non-semiconductor hydraulic clamps

Statistical breaks distinguish end-use applications.

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

Provide vacuum rating and particle generation test results

Include wafer size compatibility (200mm, 300mm, 450mm standards)

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Hydraulic Cylinder Piston Assembly

Precision-machined piston designed for linear acting hydraulic cylinders used in semiconductor wafer grinders to achieve exact dimensional tolerances on crystal boules. This part falls under HTS 8412.90.90.05 as a component of linear acting hydraulic power engines and motors essential for semiconductor processing equipment. It enables controlled linear motion in high-precision grinding operations.