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
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for general milling machine use
Arbors not specific to gear/spline cutting classified as milling accessories.
If imported as individual collet without arbor body
Separate collets classified as transmission shafts/crankshafts.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
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
Related Products under HTS 8466.20.10.90
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