Ibikoresho bya spinal bevel bitanga imbaraga nyayo zohereza inguni hamwe nigikorwa cyoroshye, gicece cyimashini zikora cyane. Amenyo yabo helical agabanya kunyeganyega, kuzamura imikorere ya torque, no kwagura ibikoresho nibikoresho, kubituma ibyiza byimodoka, ikirere, inganda, hamwe ninshingano ziremereye.