Other
Machine tools for planing, shaping, slotting, broaching, gear cutting, gear grinding or gear finishing, sawing, cutting-off and other machine tools working by removing metal or cermets, not elsewhere specified or included: > Gear cutting, gear grinding or gear finishing machines: > Gear grinding or finishing machines > 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]
Products classified under HTS 8461.40.50.70
Internal Gear Honing Machine
Machine using honing stones to finish internal gear teeth surfaces for improved meshing and noise reduction in planetary gear sets. HTS 8461.40.50.70 covers this as other gear finishing equipment working by material removal on metal gears. Common in automotive differential manufacturing.
CNC Hob Grinding Machine
Machine for regrinding hob cutters used in gear hobbing operations, restoring precise tooth profiles through CNC-controlled grinding. HTS 8461.40.50.70 as other gear grinding for metal tool refurbishment. Essential maintenance equipment for gear factories.
CNC Gear Profile Grinder
A computer numerically controlled machine designed for precision grinding of gear tooth profiles on spur and helical gears made from metal or cermets. It falls under HTS 8461.40.50.70 as a gear grinding machine not elsewhere specified, used in high-precision manufacturing for automotive and aerospace transmissions. The machine removes material through abrasive grinding to achieve exact gear specifications.
Thread Grinding Machine for Worm Gears
Specialized grinder for finishing threads on worm gears used in industrial gearboxes, removing metal via abrasive wheels to precise tolerances. Classified under HTS 8461.40.50.70 as 'other' gear grinding machines for metal/cermet workpieces. Essential for power transmission components in heavy machinery.
Spline Grinding Machine
Precision grinder for finishing splines on shafts and hubs used in drivetrain connections, achieving micron-level accuracy through metal removal. Falls under HTS 8461.40.50.70 as other gear grinding/finishing for non-standard gear forms. Used in heavy equipment manufacturing.
Bevel Gear Finishing Grinder
Grinding machine for final finishing of bevel gear tooth surfaces using cup wheels, essential for right-angle drives in differentials. HTS 8461.40.50.70 as other gear grinding machines for metal/cermets. Provides surface finish required for high-speed applications.
Gear Tooth Superfinishing Machine
Uses vibratory stones or tapes for mirror finishing of gear teeth to reduce friction and wear in high-performance transmissions. Classified HTS 8461.40.50.70 as gear finishing by material removal on metal gears. Critical for Formula racing and aviation gearboxes.
Rack Gear Grinding Machine
Precision grinder for straight racks and rack segments used in linear motion systems, generating accurate tooth profiles via metal removal. Falls under HTS 8461.40.50.70 as other gear grinding equipment. Used in CNC machine tools and robotics.
Hypoid Gear Finishing Grinder
Specialized grinder for hypoid gears with offset axes used in vehicle differentials, achieving spiral bevel finishing through controlled metal removal. HTS 8461.40.50.70 covers other gear finishing machines. Critical for automotive driveline performance.
Skiving and Finishing Gear Machine
Combines skiving (light cutting) with power honing for pre-grind finishing of hardened gears, removing minimal material for final tooth form. Classified HTS 8461.40.50.70 as gear finishing by metal removal. Used for large wind turbine gears.