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8207.19.60.70/9-Inch Step Reamer for Tunnel Boring/Japan

9-Inch Step Reamer for Tunnel Boring from Japan

Multi-step PDC reamer for enlarging pilot holes in tunnel boring machine operations through rock. HTS 8207.19.60.70 covers this as other rotary rock reamers. Provides staged diameter expansion for precise tunnel alignment.

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

• Detail step diameters and PDC gauge protection for customs rock tool confirmation

• TBM compatibility certificates prevent parts classification issues