Miniature Ball Screw for Medical Robotics
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If precision-engineered specifically for surgical instruments
Instruments/appliances for medical/surgical use classified in Chapter 90 regardless of transmission function.
If imported with integrated pulley system for belt drive
Pulleys and speed changers incorporating roller screws fall under different 8483 provisions.
If part of complete laboratory robotic workstation
Unspecified machine parts for laboratory use go to 8479.89.
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Import Tips & Compliance
• 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
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