HSK-A63 Tool Holder from Japan

High-speed HSK-A63 hollow shank tool holder optimized for spindle speeds exceeding 40,000 RPM in 5-axis machining centers. Features dual-contact interface for superior rigidity and vibration damping. HTS 8466.10.01 classification as tool holder principally for heading 8461 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

• Include DIN 69893 or ISO 12164 compliance certificates; critical for Customs verification of machine-specific design

• Declare runout tolerance (≤0.003mm) and max RPM rating to distinguish from general-purpose holders

• Avoid misdeclaration as 'spindle adapter' which could trigger 8466.94 scrutiny for identifiable machine parts