Stepper Motor Lead Screw Assembly from China
Precision lead screw coupled to stepper motor shaft for linear motion conversion in 8501 motors. Provides accurate positioning for CNC and automation applications. Motor-specific transmission part under 8503.00.95.20.
Duty Rate — China → United States
38%
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
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Import Tips
• Specify step angle compatibility and screw pitch matching motor torque specs
• Distinguish from general ball screws (8482.40) via motor coupling design
• Include system backlash specs proving integrated motor application