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9031.90.91.30/Hoffmann Balancing Machine Reference Disc Set/Japan

Hoffmann Balancing Machine Reference Disc Set from Japan

Calibrated reference discs and calibration weights for Hoffmann vertical balancing machines used for mechanical parts like electric motor armatures. Essential for machine calibration to ensure measurement accuracy. Classified in HTS 9031.90.91.30 as accessories dedicated to balancing machines.

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

• Ship with NIST-traceable calibration certificates for customs verification

• Specify mass tolerances in documentation to prove measuring/checking function