Locking washers are simple, stable and reliable fastening elements. The washer engages a keyway in the shaft and locks the nut in position if one of the tabs is bent over into
model:W00,W01,W02,W03,W04,W05,W06,W07,W08,W09,W10,W11,W012,W13,W14,W15,W16,W17,W18,W19,
             W20,W21,W22,W24,W26,W28,W30,W32,W34,W36,W38,W40,W44
             W022,W024,W026,W028,W030,W032,W034,W036,W038,W040,W044