8483.90.10.50/Precision Idler Sprocket for Cleanroom Robotics/Japan

Precision Idler Sprocket for Cleanroom Robotics from Japan

Low-particle generation idler sprocket with Delrin teeth for cleanroom robotic chain drives. Under HTS 8483.90.1050 as other chain sprockets for specialized transmission. Used in semiconductor wafer transport robots.

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%

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Import Tips

• Document cleanroom certification (ISO 14644) and particle emission specs

• Declare plastic content percentage for material-based duty calculation