Spline Milling Work Arbor

Precision ground arbor with expandable collets for holding spline blanks during milling operations on gear-cutting machines. Provides exact concentricity for involute spline production. Classified HTS 8466.20.10.90 as gear-cutting work holder.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China4.6%+35.0%39.6%
🇲🇽Mexico4.6%+10.0%14.6%
🇨🇦Canada4.6%+10.0%14.6%
🇩🇪Germany4.6%+10.0%14.6%
🇯🇵Japan4.6%+10.0%14.6%

Alternative Classifications

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

8466.94.65Higher: 39.7% vs 39.6%

If for general milling machine use

Arbors not specific to gear/spline cutting classified as milling accessories.

8483.10.50Lower: 35% vs 39.6%

If imported as individual collet without arbor body

Separate collets classified as transmission shafts/crankshafts.

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Import Tips & Compliance

Supply arbor expansion specs (e.g

0.001" increments) proving spline blank fit

Include spline gauge calibration data linking to gear machine indexers