Isixhobo sokupholisa esifakwe kwi-spindle sinokubonakala sincinci kakhulu kuyo yonke i-router ye-CNC, kodwa sinokuchaphazela ukusebenza kwayo yonke irutha ye-CNC. Kukho iindidi ezimbini zokupholisa kwi-spindle. Enye kukupholisa amanzi kwaye enye kukupholisa umoya.