Welded karfe bututu, kuma aka sani da welded bututu, da aka yi da karfe farantin ko tsiri bayan crimping forming welded karfe bututu, general tsawon 6 mita.Welded karfe bututu samar tsari ne mai sauki, high samar yadda ya dace, iri-iri dalla-dalla, kasa zuba jari a kayan aiki, amma general ƙarfi ne m fiye da sumul karfe bututu.