=====Thread finishing ON/OFF (M23/M24)===== {{:mycnc:gcodes_list:gcodes-list-001-m23.png}} M23 command indicates to the controller to create a chamfer at the end of the thread, which the chamfer thread finishing distance being set up in Settings > Config > Technology > Mill/Lathe. The M24 command indicates that no chamfer is to be created. Both commands will remain in effect until the other is brought up in the command code.