Stainless Alloy Steel Balls for Wafer Slicing Saw Bearings
Corrosion-resistant stainless alloy steel balls for the high-precision bearings in wafer slicing saws that cut monocrystalline semiconductor boules into thin wafers. Designed for ultra-low vibration to maintain cut accuracy within microns. HTS 8482.91.0010 covers these alloy steel bearing balls.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If permanently assembled into slicing saw spindle
Integral parts of semiconductor wafer saws classified with the machine itself.
If imported as wire rod stock for ball manufacturing
Alloy steel bars/rod in irregularly wound coils used as raw material precede bearing ball production.
If when balls form complete thrust ball bearing assembly
Finished ball bearing assemblies rather than separable parts classified in 8482.10.
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Import Tips & Compliance
• Include bearing assembly drawings showing ball integration to distinguish from loose steel balls
• Certify compliance with ISO 3290 precision ball standards (Grade 3-10 typical for wafer equipment)
• For high-volume imports, consider binding rulings on alloy composition thresholds
Related Products under HTS 8482.91.00.10
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High-Chrome Alloy Steel Balls for Wafer Grinding Machines
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Precision 52100 Alloy Steel Balls for Wafer Lapping Machine Spindles
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