Zero-Backlash Ball Screw for 3D Printers
Preloaded dual-nut ball screw eliminating backlash for high-resolution Z-axis motion in industrial 3D printers. 16mm diameter precision-ground shaft, under HTS 8483.40.80.00 for roller screws.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If integral component of complete 3D printing machine
Parts of printing machinery including additive manufacturing classified under 8443.
If imported with molded plastic injection nut
Molded plastic gears/transmission elements including roller screws go to 8480.
If for semiconductor or electronics manufacturing equipment
Special provisions for semiconductor manufacturing machines cover positioning components.
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Import Tips & Compliance
• Specify preload amount (5-15 microns) and repeatability specs (<3 microns)
• Provide lead accuracy grade (C5-C7 per ISO 3408) in technical datasheet
• Distinguish from ACME screws by documenting ball recirculation system
Related Products under HTS 8483.40.80.00
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