Mitundu yonse yazitsulo zosapanga dzimbiri komanso zomangira zomwe zimapangidwira zimatha kupereka zinthu zosiyanasiyana: SS201, SS304, SS316, SS410, ndi zina. Takulandilani kuyimbira foni kapena imelo kuti mufunse zambiri zamagetsi.
Hexagonal head bolt and screw head (silinda) wokhala ndi zomangira zakunja m'magawo awiri, ndi mtedza womwe umagwiritsidwa ntchito kulumikiza mbali ziwiri ndi dzenje, magwiridwe awo akhoza kugawidwa mu 4.8, 6.8, 8.8, 10.9, 12.9, ndi zina zambiri, kuposa Magawo 10, kuphatikiza 8.8 komanso pamwamba pa bolt amapangidwa ndi chitsulo chotsika kwambiri cha kaboni komanso chitsulo cha kaboni chitsulo ndi kutentha (kuzimitsa ndi kutentha), komwe kumadziwika kuti ma bolts amphamvu kwambiri, ena onse amatchedwa mabatani wamba.
