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8483.40.50/Wafer Grinder Spindle Speed Changer/Canada

Wafer Grinder Spindle Speed Changer from Canada

Manual multi-speed gearbox for semiconductor wafer grinding equipment spindle drive. Allows precise RPM selection for different grind/lap/polish stages. HTS 8483.40.50 as manually operated speed changer.

Duty Rate — Canada → United States

12.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Specify surface finish capabilities (Ra < 1 nm) and flatness tolerances

• Include vibration isolation specs for semiconductor cleanroom use

• Verify separability from grinder head to maintain standalone classification

Wafer Grinder Spindle Speed Changer from Canada — Import Duty Rate | HTS 8483.40.50