HSS End mills parameters WS2 – TAWS2 – UMWS2WS3 – TAWS3TAWSH3WS4/6 – TAWS4/6 – UMWS4 WL2 – TAWL2WSA2WL3 – TAWL3 TAWSRWSFR – TAWSFR – UMWSFRWL4/6 – TAWL4/6WLFR – TAWLFR WSB2 – TAWSB2WLB2 – TWLB2FM – TAFMFFR – TAFFR WCRWDCWDDWTM WWK