Other, numerically controlled

Machine tools for deburring, sharpening, grinding, honing, lapping, polishing or otherwise finishing metal or cermets by means of grinding stones, abrasives or polishing products, other than gear cutting, gear grinding or gear finishing machines of heading 8461: > Other grinding machines: > Other, numerically controlled

Duty Rate (from China)

39.4%
MFN Base Rate4.4%

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]

Total Effective Rate39.4%

Products classified under HTS 8460.24.00

CNC Optical Profile Grinding Machine

Advanced NC grinder using optical projection for complex 2D profiles on small metal tools and gauges with abrasive wheels. Fits HTS 8460.24.00 as numerically controlled other grinding machine for metal. High-precision optics industry.

CNC Centerless Grinding Machine

A numerically controlled machine tool designed for centerless grinding of cylindrical metal parts, removing material using abrasive wheels to achieve precise diameters and surface finishes. It falls under HTS 8460.24.00 as a grinding machine for metal finishing, numerically controlled, distinct from gear-specific machines. Ideal for high-volume production of shafts and bars.

CNC Surface Grinding Machine

Numerically controlled surface grinder that uses abrasive wheels to finish flat metal surfaces to tight tolerances on workpieces like molds and dies. Classified in HTS 8460.24.00 for its grinding function on metal, numerically controlled, excluding gear machines. Essential for tool and die making.

CNC Cylindrical Grinding Machine

A CNC machine for external and internal grinding of cylindrical metal components such as bearings and pistons using abrasive wheels for high-precision finishing. It matches HTS 8460.24.00 as an other numerically controlled grinding machine for metal or cermets. Used in automotive and aerospace manufacturing.

CNC Profile Grinding Machine

Numerically controlled grinder for creating complex profiles on metal parts like turbine blades via abrasive grinding. Falls under HTS 8460.24.00 for other NC grinding machines finishing metal surfaces. Critical for aerospace components.

CNC Tool and Cutter Grinding Machine

NC machine for sharpening and grinding cutting tools like end mills and drills using abrasives for metal tool finishing. Classified HTS 8460.24.00 as numerically controlled grinding for metal other than gears. Used in resharpening shops.

CNC Double-Disc Grinding Machine

Numerically controlled machine using two parallel abrasive discs to grind both sides of flat metal parts simultaneously for precision thickness control. HTS 8460.24.00 applies to this other NC metal grinding machine. Common in bearing and washer production.

CNC Belt Grinding Machine

NC abrasive belt grinder for finishing contoured metal surfaces like aerospace forgings, controlled for consistent material removal. Fits HTS 8460.24.00 as numerically controlled grinding machine for metal. Versatile for deburring and blending.

CNC Internal Grinding Machine

Precision NC grinder for bores and internal diameters in metal parts like engine cylinders, using small abrasive wheels. HTS 8460.24.00 for numerically controlled other grinding machines. Key for hydraulic components.

CNC Camshaft Grinding Machine

Specialized NC grinder for camshaft lobes and journals in automotive engines, achieving exact profiles via abrasive grinding. Classifies under HTS 8460.24.00 as other NC grinding (non-gear). High-volume engine production use.

CNC Creep Feed Grinding Machine

High-stock removal NC grinder using slow feed rates for deep slots in turbine blades and aerospace parts via abrasives. HTS 8460.24.00 for numerically controlled metal grinding machines. Advanced profile grinding application.

CNC Vertical Spindle Grinder

Numerically controlled vertical spindle machine for rotary table grinding of large metal plates and molds. Falls under HTS 8460.24.00 as other NC grinding for metal finishing. Used in heavy industry.

CNC Jig Grinding Machine

Precision NC jig grinder for dies and molds, capable of very fine metal removal for close-tolerance holes using abrasives. HTS 8460.24.00 applies to this numerically controlled grinding machine. Moldmaking essential.

CNC Roll Grinding Machine

Large NC grinder for industrial mill rolls used in steel, paper, and printing industries, finishing cylindrical surfaces with abrasives. Classified HTS 8460.24.00 as other numerically controlled metal grinding. Heavy-duty application.

CNC Crankshaft Grinding Machine

Numerically controlled grinder for engine crankshaft journals and pins, ensuring balance and diameter precision via abrasives. HTS 8460.24.00 for NC grinding machines (non-gear). Automotive remanufacturing use.