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Wafer Lapper Conditioning Ring

Diamond pellet conditioning ring maintaining lapping plate flatness during semiconductor wafer preparation. HTS 8479.90.95.65 parts for metal surface treating lapping machines.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+40.0%40%
🇲🇽MexicoFree+15.0%15%
🇨🇦CanadaFree+15.0%15%
🇩🇪GermanyFree+15.0%15%
🇯🇵JapanFree+15.0%15%

Alternative Classifications

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

8207.90.30Higher: 42.5% vs 40%

If classified as interchangeable abrasive tools

Conditioning tools sometimes treated as consumables.

8431.49.90Higher: 50% vs 40%

If for general surface finishing parts

Non-semiconductor lapping equipment different.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Specify diamond grit size and distribution pattern

• Document conditioning sweep patterns for uniform plate wear

• Measure ring flatness to <2 microns specification

Related Products under HTS 8479.90.95.65

Czochralski Crystal Puller Spindle Assembly

This precision-engineered spindle assembly is a critical part of Czochralski crystal pullers used to grow monocrystalline silicon boules for semiconductor wafers. It falls under HTS 8479.90.95.65 as a part of machines for treating metal, specifically semiconductor manufacturing equipment that processes high-purity metal like silicon.

Float Zone Crystal Grower RF Coil Housing

The RF coil housing is an essential component of float zone crystal growers that melt and purify silicon rods to produce semiconductor-grade crystals. Classified under HTS 8479.90.95.65 as parts of metal treating machines for semiconductor material processing.

Wafer Slicing Saw Spindle Bearing Assembly

High-precision bearing assembly for inner diamond wire spindles in wafer slicing saws that cut semiconductor boules into thin wafers. Falls under HTS 8479.90.95.65 as parts of machines mechanically treating silicon crystal ingots.

Crystal Boule Grinder Diamond Wheel Arbor

The diamond wheel arbor holds grinding wheels that shape semiconductor crystal boules to precise wafer diameters. Classified in HTS 8479.90.95.65 as parts of metal treating grinders for semiconductor preparation.

Wafer Lapping Machine Platen Assembly

Precision platen assembly for wafer lapping machines that achieve critical flatness tolerances on semiconductor wafers before polishing. HTS 8479.90.95.65 covers these parts of metal surface treating apparatus.

Semiconductor Wafer Polishing Head Carrier Ring

Carrier ring for chemical mechanical polishing (CMP) heads that hold wafers during final surface preparation for device fabrication. Classified under HTS 8479.90.95.65 as parts of wafer polishing machines treating semiconductor metal surfaces.