2004VDI 3374-2004 Punches with cylindrical head with and without ejector, punchholder, retainer, backing plates, polyurethanstripper and retainer for polyurethanstripper-system in large dies
1997VDI 3374-1997 Punches with cylindrical head and reduced shank@ punchholders@ ejector pins@ retainer and backing plates in large dies
1994VDI 3374-1994 Lochstempel mit Bund - Rund-Form mit und ohne Auswerferstift und Stempelhalteplatten