Set screw yathu imapangidwa ndi chitsulo champhamvu kwambiri cha alloy, chomwe chimapangidwa mwatsatanetsatane ndikutenthedwa kuti chitsimikizike kukhazikika komanso kudalirika. Mutu wa Allen wapangidwa kuti ukhale wosavuta kuyika ndi kuchotsa, ndipo ukhoza kugwiritsidwa ntchito mosavuta ndi wrench ya Allen.
Sikuti screw yokhazikika imachotsa kufunikira kobowola chisanadze kapena ulusi pakuyika, komanso imatha kukhazikitsidwa mosavuta ku shaft pogwiritsa ntchito kukakamiza koyenera pakugwiritsa ntchito kwenikweni, kuonetsetsa kulumikizana kolimba komanso kokhazikika.