UNI 5737DIN 931classe 8.8
UNI 5737DIN 931classe 10.9
UNI 5738DIN 960classe 8.8
UNI 5738DIN 960classe 10.9
UNI 5739DIN 933classe 8.8
UNI 5739DIN 933classe 10.9
UNI 5739DIN 933classe 4.8
UNI 5740DIN 961classe 8.8
UNI 5740DIN 961classe 10.9
UNI 5712DIN 6914classe 10.9
UNI 5931DIN 912classe 8.8
UNI 5931DIN 912classe 12.9
DIN 6912classe 8.8
UNI 5933 *DIN 7991 – Aclasse 10.9
DIN 7984classe 8.8
ISO 7380classe 10.9
ANSI B 18.2.1 – 1965classe 8.8
UNI 6954DIN 7981
UNI 6955DIN 7982
UNI 6956DIN 7983
UNI 6949DIN 7976
UNI 6950DIN 6928
UNI 8118DIN 7504/N
UNI 8119DIN 7504/P
UNI 8120 *DIN 7504/Q
UNI 8117DIN 7504/K
Viti autofilettanti testa cilindrica cava esagonale in acciaio C15
UNI 9789TC
UNI 9790TS
UNI 9791TSC
UNI 5923 / 5 / 7 / 9DIN 913 / 4 / 5 / 6classe 45H