CNC Grinder Workhead Spindle
High-frequency spindle assembly driving grinding wheels in CNC cylindrical grinders (heading 8460, parts in 8466.93). Classified HTS 8466.93.98 for principal use with 8456-8461 machines. Achieves sub-micron surface finishes on automotive camshafts.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| šØš³China | 4.7% | +35.0% | 39.7% |
| š²š½Mexico | 4.7% | +10.0% | 14.7% |
| šØš¦Canada | 4.7% | +10.0% | 14.7% |
| š©šŖGermany | 4.7% | +10.0% | 14.7% |
| šÆšµJapan | 4.7% | +10.0% | 14.7% |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically for grinding machines
Grinder spindles have dedicated provisions under 8466.94 for 8462-8465 machines.
If AC motor-driven
Complete electric motors over 750W classify in Chapter 85, not as machine parts.
If ball bearing spindle assemblies
Spindles dominated by bearing function may use general bearing parts heading.
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
ā¢ Vibration analysis reports proving grinding frequency compatibility essential
ā¢ Specify air bearing or hydrostatic bearing technology in descriptions
ā¢ Coolant compatibility certification prevents corrosion claims
Related Products under HTS 8466.93.98
CNC Lathe Spindle Bearing Housing
This precision-machined housing holds the spindle bearings in CNC lathes of heading 8458, ensuring stable rotation during high-speed metal turning operations. It is classified under HTS 8466.93.98 as a part suitable solely for use with machines of headings 8456 to 8461. Designed for industrial machining centers, it maintains alignment under heavy loads.
Milling Machine Automatic Tool Changer Arm
The robotic arm component for automatic tool changers in vertical milling machines (heading 8459) grabs and swaps tools during CNC operations. Classified in 8466.93.98 as a special attachment principally for 8456-8461 machines. It enhances productivity in high-volume metalworking shops.
Drilling Machine Collet Chuck Adapter
Precision adapter that connects collet chucks to drilling machine spindles (heading 8456) for secure workpiece holding during hole-making operations. Falls under HTS 8466.93.98 as a work holder for 8456-8461 machines. Critical for maintaining runout tolerances in aerospace part production.
Boring Mill Tailstock Assembly
Adjustable tailstock unit providing live center support for long workpieces in horizontal boring mills (heading 8459). HTS 8466.93.98 classification for parts principally used with 8456-8461 machines. Enables stable machining of large turbine shafts and locomotive components.
CNC Gear Hobbing Machine Hob Arbor
High-precision arbor shaft that mounts hobbing cutters in gear hobbing machines (heading 8458) for spline and gear tooth cutting. Classified HTS 8466.93.98 as a tool holder for 8456-8461 machines. Essential for automotive transmission gear production.
Thread Rolling Machine Die Holder
Heavy-duty holder that positions carbide dies for cold forming threads on fasteners in thread rolling machines (heading 8462, but parts under 8466.93). HTS 8466.93.98 for parts of 8456-8461 machines. Used in high-volume bolt and screw manufacturing.