Standards
[CURRENT]
NF E74-304
; NF ISO 3318:2017-03-15
NF E74-304
; NF ISO 3318:2017-03-15
Assembly tools for screws and nuts - Open-ended wrenches, box wrenches and combination wrenches - Maximum widths of heads
Title (German)
Schraubwerkzeuge - Maulschlüssel, Ringschlüssel und Ring-Maulschlüssel - Grösste Aussendurchmesser am Kopfmasse