Le yunithi iquka i-chuck kunye ne-collet yempompo.I-chuck ifake isixhobo sokubuyekeza umsonto.Kukho iikholethi ezimbini zempompo ezahlukeneyo, enye inokhuseleko lomthwalo ogqithisiweyo kwaye enye ingenazo.Xa usebenzisa i-collet yempompo ngokhuseleko lomthwalo ogqithisiweyo, isixhobo sokukhusela sinokuzikhulula ngokuzenzekelayo ukunqanda i-tap-break.Lungisa nje amantongomane kwaye unokufumana i-torque eyahlukileyo ngokukhawuleza nangokufanelekileyo.