Precision Ball Screw for CNC Machines from Canada
A high-precision ball screw assembly consisting of a threaded shaft and recirculating ball nut, designed for linear motion in CNC machining centers. It converts rotary motion to linear motion with minimal friction, classified under HTS 8483.40.80.00 as a ball screw used in industrial transmission systems.
Duty Rate — Canada → United States
13.8%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify ISO 9001 certification and dimensional tolerances to ensure classification as precision ball screws
• Include detailed engineering specs in commercial invoice to avoid misclassification as plain bearings
• Check for anti-backlash features; report exact lead pitch to comply with statistical reporting