Extended Reach Boring Head Adapter

Special attachment extending boring bar reach by 24+ inches for machining centers, preventing spindle interference in deep hole operations. HTS 8466.30.8000 for other special attachments to 8464-65 machines. Vibration-dampened design for heavy cuts.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China8%+35.0%43%
🇲🇽Mexico8%+10.0%18%
🇨🇦Canada8%+10.0%18%
🇩🇪Germany8%+10.0%18%
🇯🇵Japan8%+10.0%18%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8467.91Lower: 10% vs 43%

If tools for working in the hand

Handheld boring attachments classify under separate hand-tool provisions.

8207.50Lower: 12.9% vs 43%

If with removable inserts functioning as tooling

Insert-based boring heads treated as tools, not machine attachments.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide damping ratio specs and max overhang documentation

Balance certification required for high-speed applications

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