A U-bolt shine aron dunƙule a sifar harafin U tare da zaren dunƙule a kowane ƙarshen. Carbon steel U aron kusa shine ma'anar kayan U bolt shine baƙin ƙarfe.
Carbon steel U bolt an yi amfani dashi da farko don tallafawa aikin bututu, bututu wanda ruwa da gasses ke wucewa. Saboda haka, ana amfani da ƙarfe U-bol na ƙarfe ta hanyar amfani da injin injin yin magana. Carbon steel U-bolt za a bayyana shi da girman bututun da yake tallatawa. Carbon steel U-bolt kuma ana amfani da su don ɗaure igiyoyi tare.