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8461.40.50.70/Gear Tooth Superfinishing Machine/Japan

Gear Tooth Superfinishing Machine from Japan

Uses vibratory stones or tapes for mirror finishing of gear teeth to reduce friction and wear in high-performance transmissions. Classified HTS 8461.40.50.70 as gear finishing by material removal on metal gears. Critical for Formula racing and aviation gearboxes.

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

• Specify Ra surface finish values (<0.1μm) proving superfinishing capability

• Include vibration isolation specs for proper valuation