Precision Chrome Steel Tapered Roller for Wafer Saws
High-precision chrome steel tapered rollers optimized for wafer slicing saws in semiconductor manufacturing. Classified in HTS 8482.91.0050 when imported standalone as bearing rollers, despite end-use in crystal growers/pullers per statistical notes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If dedicated to semiconductor wafer slicing saws
Per statistical notes, equipment/parts for semiconductor wafer preparation (slicing saws) classify in 8479.
If assembled into thrust ball bearings
Tapered rollers in complete thrust bearing configurations move to ball bearing headings.
If for semiconductor device testing apparatus
Testing equipment parts (per notes) go to Chapter 90; rollers for device testers may qualify.
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Import Tips & Compliance
• Document non-semiconductor specific design to maintain 8482 classification; include surface finish specs (Ra < 0.1μm); segregate from full saw assemblies to avoid set classification
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