UNI 5734-1965 Narrow bell head screws and bolts with hexagonal nuts for door catches and covers. ISO coarse pitch metric thread, replacing UNI 887, UNI 888 and UNI 908 1). Class C
1965UNI 5734-1965 Narrow bell head screws and bolts with hexagonal nuts for door catches and covers. ISO coarse pitch metric thread, replacing UNI 887, UNI 888 and UNI 908 1). Class C