9017.90.01.20/Micrometer Spindle Lock Nut/Japan

Micrometer Spindle Lock Nut from Japan

Precision lock nut for micrometer spindles (9017.20.40), securing position after measurement for transfer or recording. Threaded for exact fit on standard models. Falls under parts for these length-measuring hand tools.

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 thread pitch (e.g

• 0.5mm) and material (tool steel) to prove specificity

• Pair with spindle photos to show inseparable design

• Beware AD/CVD on fasteners if undervalued