For machine tools used in cutting gears
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: > Work holders: > For machine tools used in cutting gears
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]
Products classified under HTS 8466.20.10
Gear Cutting Hob Tool Holder
Precision tool holder designed specifically for securing hobs in gear hobbing machines classified under heading 8464. It ensures accurate alignment and stability during the gear cutting process. Falls under HTS 8466.20.10 as a work holder for machine tools used in cutting gears.
Dividing Head for Gear Shaper
Rotary dividing head attachment that indexes workpiece precisely during gear shaping operations on machines of heading 8464. Essential for creating accurate gear teeth profiles. Classified under HTS 8466.20.10 as a special work holder for gear cutting machine tools.
Universal Gear Cutter Workholding Chuck
Self-centering chuck optimized for holding gear blanks in hobbing, shaping, and milling machines under headings 8461/8464/8465. Features anti-slip jaws for high-torque gear cutting. HTS 8466.20.10 covers this as work holder for gear cutting tools.
Index Plate Set for Gear Hobber
Matched set of index plates and sector plates for precise workpiece rotation in gear hobbing machines (heading 8464). Allows accurate tooth spacing for spur and helical gears. Falls under HTS 8466.20.10 as specialized work holding accessories.
Gear Shaving Fixture
Custom fixture for holding pre-cut gears during shaving operations on specialized gear finishing machines (8464). Provides exact concentricity for final tooth profile refinement. Classified in HTS 8466.20.10 for gear cutting work holders.
Helical Gear Indexing Arbor
Precision arbor with helical spline drive for indexing helical gear blanks in hobbing/shaping machines. Compensates for helix angle during rotation. HTS 8466.20.10 as work holder for gear cutting machine tools.
Spline Cutting Collet Chuck
High-precision collet chuck for involute spline cutting on gear cutting machines (8465). Quick-change collets accommodate various spline module sizes. Covered by HTS 8466.20.10 as specialized gear work holder.
Worm Gear Hobbing Mandrel
Tapered mandrel with drive flats for holding worm gear blanks during hobbing operations. Designed for single-threading multi-start worms under heading 8464. HTS 8466.20.10 work holder for gear cutting.
Rack Gear Milling Vise
Specialized vise with 90° indexing for holding rack gear blanks during tooth milling on 8465 machines. Jaw design accommodates rack module/pitch line. Classifies under HTS 8466.20.10 gear work holders.
Bevel Gear Generating Head
Rotary work head with swivel axis for holding bevel gear blanks during generating cutting on 8464 machines. Provides exact cradle motion for conical gears. HTS 8466.20.10 as gear cutting work holder.
Module Gear Chuck Adapter
Quick-change adapter plate system converting standard chucks for metric module gear blanks on hobbing/shaping machines. Accommodates 0.5-12 module range. Falls under HTS 8466.20.10 gear work holders.
Cluster Gear Holding Fixture
Multi-station fixture for simultaneous hobbing of cluster gear assemblies (compound gears). Individual spindle adjustment for different sections. HTS 8466.20.10 specialized gear work holder.
Face Gear Work Arbor
Precision arbor for holding face gear blanks during face milling/hobbing operations. Features face driver dogs for torque transmission. Classified HTS 8466.20.10 gear cutting work holder.
Hypoid Gear Cradle Fixture
Tilting cradle fixture for holding hypoid gear blanks during generating cutting. Provides offset axis motion for hypoid tooth geometry. HTS 8466.20.10 as specialized gear cutting work holder.
Precision Gear Blank Centering Vise
Air-operated centering vise for automatically trueing gear blanks prior to cutting. Pneumatic actuation ensures <0.0001" concentricity. Classifies under HTS 8466.20.10 for gear machine work holders.