| 8455.30.00 | 05 | Not exceeding 2,268 kg | No. kg | | | |
| 8455.30.00 | 15 | Exceeding 2,268 kg but not exceeding 6,803.9 kg | No. kg | | | |
| 8455.30.00 | 25 | Exceeding 6,803.9 kg | No. kg | | | |
| 8455.30.00 | 35 | Not exceeding 2,268 kg | No. kg | | | |
| 8455.30.00 | 45 | Exceeding 2,268 kg but not exceeding 6,803.9 kg | No. kg | | | |
| 8455.90.40 | 00 | Castings or weldments, individually weighing less than 90 tons, for the machines of heading 8455 | kg | Free | | 30% |
| 8457.10.00 | 15 | Not over 660 mm | No. | | | |
| 8457.10.00 | 25 | Over 660 mm | No. | | | |
| 8457.10.00 | 55 | Not over 685 mm | No. | | | |
| 8457.10.00 | 60 | Over 685 mm but not over 1,016 mm | No. | | | |
| 8457.10.00 | 65 | Over 1,016 mm | No. | | | |
| 8458.11.00 | 30 | With a power rating of less than 18.65 kW | No. | | | |
| 8458.11.00 | 50 | With a power rating of 18.65 kW or greater but not exceeding 37.3 kW | No. | | | |
| 8458.11.00 | 90 | With a power rating exceeding 37.3 kW | No. | | | |
| 8458.19.00 | 20 | Other, valued under $3,025 each | No. | | | |
| 8458.99.50 | 60 | Other, valued under $3,025 each | No. | | | |
| 8459 | | Machine tools (including way-type unit head machines) for drilling, boring, milling, threading or tapping by removing metal, other than lathes (including turning centers) of heading 8458: | | | | |
| 8459.29.00 | 20 | Other, valued under $3,025 each | No. | | | |
| 8459.39.00 | 20 | Other, valued under $3,025 each | No. | | | |
| 8459.40.00 | 20 | Other, valued under $3,025 each | No. | | | |
| 8459.59.00 | 20 | Other, valued under $3,025 each | No. | | | |
| 8459.69.00 | 20 | Other, valued under $3,025 each | No. | | | |
| 8459.70.80 | 60 | Other, valued under $3,025 each | No. | | | |
| 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: | | | | |
| 8460.11.00 | | Flat-surface grinding machines, in which the positioning in any one axis can be set up to an accuracy of at least 0.01 mm: | | | | |
