Miniature Ball Screw for Medical Robotics from China
Compact ball screw with 3-6mm diameter for surgical robots and precision medical devices requiring backlash-free motion. Medical-grade materials and lubrication ensure sterility, classified as roller screw under HTS 8483.40.80.00.
Duty Rate — China → United States
38.8%
Rate breakdown
9903.03.0110%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
9903.88.0125%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]
Import Tips
• Include biocompatibility testing (ISO 10993) and sterilization validation in import docs
• Specify dynamic load rating (Cdyn) and acceleration specs to confirm transmission function
• Avoid classification disputes by providing CAD drawings showing screw/nut integration