Example and table with designation. Type e, rectangular connection; type f, rectangular rear shank. Type e attachments and type f shanks are not to be used for flat broaches for keyways and keyways (UNI 4120). For new designs, see UNI 8083 parts 1 to 5.
UNI 4119-1958 history
1958UNI 4119-1958 Broaches. Rectangular connections and rectangular rear shanks.