Ama-B7 Threaded Studs kanye nama-BOLTS amafushane atholakala kalula emakethe. Ama-B7 Ibanga lama-bolts ajwayele ukusetshenziselwa ukuxhumana kwe-flange reape. Lezi zimbotshana zivame ukuthengiswa endaweni evamile yensimbi engenalutho, kepha zivame ukuxubanisa-cxuted, i-galvanized, i-xylan ehlanganisiwe, i-ptfe ehlanganiswe, noma iphathwe ngenye indlela ngenhlanganisela yokumelana nokugqwala.