| Code | Description |
| G00 | Rapid Positioning |
| G01 | Linear Cutting |
| G02 | Clockwise Arc |
| G03 | Counter-Clockwise Arc |
| G04 | Dwell / Pause |
| G20 | Inch Mode |
| G21 | Metric Mode |
| G28 | Return to Machine Home |
| G30 | Return to Second Home Position |
| G40 | Cancel Cutter Compensation |
| G41 | Left Compensation |
| G42 | Right Compensation |
| G43 | Tool Length Compensation + |
| G44 | Tool Length Compensation - |
| G45 | Increase Tool Offset |
| G49 | Cancel Tool Length Offset |
| G50 | Max RPM Limit (Lathe) |
| G70 | Finishing Cycle |
| G71 | Roughing Cycle |
| G72 | Facing Cycle |
| G73 | Pattern Repeating Cycle |
| G74 | Peck Drilling in Z |
| G75 | Grooving Cycle (X Direction) |
| G76 | Thread Cutting Cycle |
| G77 | Turning Pattern Repeat Cycle |
| G78 | Alternate Threading Cutting Cycle |
| G79 | Face Pattern Repeat Cycle |
| G80 | Cancel Canned Cycle |
| G81 | Drilling Cycle |
| G82 | Drill With Dwell |
| G83 | Peck Drilling |
| G84 | Tapping Cycle |
| G90 | Absolute Mode |
| G91 | Incremental Mode |
| G92 | Threading / Coordinate Clamp |
| G96 | Constant Surface Speed (CSS) |
| G97 | Fixed RPM Mode |
| G98 | Feed per Minute |
| G99 | Feed per Revolution |