Metric Lock Nuts txhua tus muaj qhov tshwj xeeb uas tsim kom muaj qhov "locking" tsis tas li.Prevailing Torque Lock Ceev cia siab rau cov xov deformation thiab yuav tsum tau wrenched rau thiab tawm;lawv tsis yog tshuaj lom neeg thiab kub txwv xws li Nylon Insert Lock Nuts tab sis rov siv dua tseem txwv.