Wafer Lapping Machine Tension Winch
Tension winch for maintaining pressure in wafer lappers that achieve flatness tolerances for semiconductor fabrication. Classifies in HTS 8431.10.0010 as part of 8425.11 winch machinery, statistical note (a)(ii)(C).
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as standalone tension device
Complete capstans not identified as parts go directly to 8425.19.
If with integrated measuring instruments
Lapping with control functions moves to Chapter 90 measuring machines.
If for non-semiconductor lapping equipment
Parts of other 8425-8430 machinery outside 8425.11/19 fall here.
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Import Tips & Compliance
• Include flatness tolerance specs (e.g
• <1 micron) in import docs
• Pair with lapping plate certification for complete classification support
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