Historical
ISO 1641-1:2003
End mills and slot drills - Part 1: Milling cutters with cylindrical shanks
ISO 1642-1:2002 specifies the general dimensions of the following milling cutters with plain cylindrical, flatted cylindrical and threaded shanks:
end mills, flat-ended or ball-nosed -- standard series and long series; slot drills -- short series and standard series.The dimensional characteristics of cylindrical shanks are in accordance with ISO 3338-1, ISO 3338-2 and 3338-3.
International Organization for Standardization [iso]

