8483.90.10.50/High-Speed Duplex Chain Sprocket/China

High-Speed Duplex Chain Sprocket from China

Precision balanced duplex sprocket for high RPM roller chain drives up to 3000 RPM. Alloy steel construction under HTS 8483.90.1050 as other chain sprockets. Used in CNC machine tool feeds.

Duty Rate — China → United States

37.8%

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

9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

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Import Tips

• Include dynamic balance certification (G6.3 grade)

• Specify max RPM and lubrication requirements

• May require machine tool origin verification