Pneumatic Rotary Grinding Spindle from Canada
An air-driven rotary spindle used in precision grinding machines for semiconductor wafer processing, providing unlimited continuous rotation via pneumatic turbine. Classified under HTS 8412.39.0040 for its pneumatic unlimited rotary acting motor design.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Certify equipment for cleanroom compatibility and provide wafer processing end-use documentation
• Label with precise RPM ratings and air pressure specs to confirm classification as unlimited rotary motor
• Watch for reclassification to Chapter 84 machinery headings if sold as part of a complete grinder assembly