Precision Ball Screw for CNC Machines from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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