Unlimited rotary acting
Other engines and motors, and parts thereof: > Pneumatic power engines and motors: > Other > Unlimited rotary acting
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8412.39.00.40
Air Turbine Dental Handpiece
A high-speed rotary dental handpiece powered by compressed air, utilizing an unlimited rotary acting pneumatic turbine for precision drilling and grinding in dental procedures. It falls under HTS 8412.39.0040 as a pneumatic power motor with unlimited rotary action, distinct from limited rotary types like reciprocating pistons.
Pneumatic Rotary Grinding Spindle
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.
Semiconductor Wafer Polishing Air Motor
Pneumatic motor designed for driving polishing pads in semiconductor wafer preparation equipment, featuring unlimited rotary action for high-precision surface finishing. Falls under HTS 8412.39.0040 as a specialized pneumatic rotary power engine.
Micro Pneumatic Turbine for Precision Drills
Miniature air turbine motor for high-RPM precision drilling in electronics assembly, offering unlimited rotary action. HTS 8412.39.0040 covers this as a pneumatic unlimited rotary power motor.
Air-Powered Turbine Engraver Tool
A handheld pneumatic engraver with unlimited rotary turbine for etching and marking on metals and semiconductors, driven by compressed air. It qualifies for HTS 8412.39.0040 due to its rotary acting pneumatic power engine design.
Pneumatic Rotary Vane Air Motor
A compact rotary vane type pneumatic motor providing unlimited continuous rotation for industrial automation and conveyor drives. Classified in HTS 8412.39.0040 for other unlimited rotary acting pneumatic power motors.