| 6804 | | Millstones, grindstones, grinding wheels and the like, without frameworks, for grinding, sharpening, polishing, trueing or cutting, hand sharpening or polishing stones, and parts thereof, of natural stone, of agglomerated natural or artificial abrasives, or of ceramics, with or without parts of other materials: | | | | |
| 8460 | | 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: | | | | |
| 8461 | | 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: | | | | |
| 8461.40 | | Gear cutting, gear grinding or gear finishing machines: | | | | |
| 8466.93.15 | 30 | For metalworking machine tools for cutting, grinding or finishing gears | kg | | | |
| 8466.93.60 | 30 | For metalworking machine tools for cutting, grinding or finishing gears | kg | | | |
| 8468 | | Machinery and apparatus for soldering, brazing or welding, whether or not capable of cutting, other than those of heading 8515; gas-operated surface tempering machines and appliances; parts thereof: | | | | |
Harmonized Tariff Schedule of the United States inquiry: 534
