| Chapter Code | Chapter Description |
|---|
| 84604020 | HONING MACHINES : LAPPING MACHINES |
| 84602940 | OTHER : PROFILE GRINDERS |
| 84604012 | HONING MACHINES : VERTICAL, MULTI-SPINDLE |
| 84603100 | SHARPENING (TOOL OR CUTTER GRINDING) MACHINES : NUMERICALLY CONTROLLED |
| 84597020 | OTHER THREADING OR TAPPING MACHINES : TAPPING MACHINES |
| 84596940 | OTHER : PIANO MILLING, DOUBLE COLUMN |
| 84602930 | OTHER : CENTRELESS GRINDERS |
| 84602910 | OTHER : CYLINDRICAL GRINDERS |