I-U-bolt yisibhobo esimethini u-U enemicu yesikulufa emikhawulweni yomibili. I-Carbon iron U bolt isho ngokusobala ukuthi impahla ye-bolt ye-U iyinsimbi yekhabhoni.
I-Carbon iron U bolt ngokuyinhloko isetshenziselwe ukusekela i-pipework, amapayipi lapho kudlula uketshezi kanye nama-glue. Njengoba kunje, ama-bolts wensimbi ekhabhoni ayalinganiswa kusetshenziswa ukukhuluma kobunjiniyela be-pipe-work. I-U-bolt yensimbi ye-Carbon yayichazwa ngosayizi wepayipi elaliwusekela. I-U-bolt yensimbi ye-Carbon nayo isetshenziselwa ukubamba izintambo ndawonye.