Chav tsev no muaj xws li chuck thiab tap collet.Lub chuck tau teeb tsa cov cuab yeej them nyiaj rau xov suab.Muaj ob hom kais dej sib txawv, ib qho nrog kev tiv thaiv overload thiab ib qho tsis muaj.Thaum siv cov kais dej nrog kev tiv thaiv overload, cov cuab yeej tiv thaiv tuaj yeem tso tawm kom tsis txhob kais-tawg. Tsuas yog kho cov txiv ntoo thiab koj tuaj yeem tau txais qhov sib txawv tso tawm torque sai thiab yooj yim.