Flat - imitwe ya rivet nuts ifite igice cyoroshye cyangwa gihagaritse. Imbuto zometse cyane zikoreshwa cyane mugihe cyo kubyara kuko ibishishwa byazo bitanga ingaruka zo kunyerera - kunyerera. Umutwe - umutwe wa rivet nut umutwe usohoka unyuze mumpapuro mugihe cyo kuzunguruka. Flat - imitwe ya rivet nuts nuburyo bukoreshwa cyane kandi burambye bwimbuto za rivet.
Countersunk umutwe rivet nuts nayo ifite kurangiza neza cyangwa guhagarikwa. Zizunguruka mu mpapuro zoroshye hamwe na chamfers. Nyuma yo kwishyiriraho, ubuso bwumutwe burasa nurupapuro rwicyuma. Ibikoresho biboneka birimo ibyuma bisya, 304 ibyuma, na 316 ibyuma.
Utubuto duto two mumutwe umutwe rivet uraboneka mubyuma bya galvanis, 304 ibyuma bitagira umwanda, hamwe nicyuma 316. Nkuko izina ribigaragaza, utubuto duto twumutwe wa rivet utubuto dufite diameter ntoya yumutwe nubugari burenze imitwe ya rivet nuts. Niba urupapuro rwicyuma ari ruto kandi chamfer ni nto cyangwa idahari, umuto muto wa compteunk umutwe wa rivet nut niyo nzira yonyine.