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AFNOR
NF L22-122
En Vigor
1975-02-01
Hexagon head bolts with waisted shank with split pin hole. Sim thread.
AFNOR
AFNOR
NF L22-148
En Vigor
1985-03-01
Bolts, hexagonal head, necked shank, with locking hole, for tensile
application. ISO thread 4G class.
AFNOR
NF EN IEC 60730-2-14
En Vigor
2025-06-06
Automatic electrical controls - Part 2-14: Particular requirements for
electric actuators










