Other
Parts and accessories suitable for use solely or principally with the machines of headings 8456 to 8465, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of tool for working in the hand: > Other: > For machines of headings 8456 to 8461: > Other: > Other: > Other: > Other: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Subheadings
Products classified 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.
Horizontal Machining Center Pallet Shuttler
Automated pallet transfer mechanism for horizontal machining centers (heading 8459) enabling continuous workpiece exchange without stopping spindle. HTS 8466.93.98 as special attachment for 8456-8461 machines. Critical for lights-out manufacturing of engine blocks.
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.
Quick Change Tool Post System
Pneumatic/hydraulic actuated tool post for CNC lathes (heading 8458) allowing 2-second tool changes. Classified HTS 8466.93.98 as tool holder principally for 8456-8461 machines. Dramatically reduces cycle times in high-mix production.
Dividing Head Indexing Plates Set
Precision steel plates with hole patterns for manual dividing heads on milling machines (heading 8459). HTS 8466.93.98 as special attachments for 8456-8461 machines. Used for helical gear cutting and polygon milling.