Ib tug stud yog ib hom headless fastener featuring lwm threads ntawm ob hnub. Thaum lub sij hawm sib dhos, ib qho kawg ntawm cov stud yog screwed rau hauv ib qho khoom uas muaj ib lub qhov hauv threaded, thaum lwm qhov kawg dhau los ntawm ib qho khoom siv nrog lub qhov clearance; ib tug txiv ntseej yog ces screwed mus rau qhov kawg no, yog li securely fastening ob lub Cheebtsam ua ke raws li ib tug unit. Txoj kev sib koom no yog hu ua stud kev twb kev txuas, thiab nws yog ib daim ntawv ntawm kev sib txuas detachable.
Studs feem ntau yog siv rau hauv cov xwm txheej uas ib qho ntawm cov khoom sib koom ua ke yog tuab heev, qhov twg yuav tsum muaj cov qauv tsim qauv, lossis qhov twg -vim qhov tsim nyog rau kev sib tsoo ntau zaus - kev siv cov qauv bolts yuav tsis tsim nyog.