Page 305 - Tungaloy Catalog
P. 305

Designation System for TAC Internal Toolholders

                  Metric




                                                                                                C          80° Rhombic


                                                                                                D          55° Rhombic

                                                                                                K         55° Parallelogram
                   A
                                                                                                R         Round
                    Double   clamping                                                           S         Square
            5
                   P                C
                                                                                                T         Triangular
                    Lever-lock
                                     Clamp-on
              TAC Internal Toolholders  M clamping  S Screw-on                                 5 Insert shape 25° Rhombic
                                                                                                V
                                                                                                          35° Rhombic
                                                                                                Y
                                                                                                           ( Non ISO )
                    Multi
                                                                                                           Trigon
                                                                                                W
                   4 Clamping system



                                A                12                   M -                        4 S              5 T




                               1                 2                     3



                   1 Bar composition            2 Bar diameter                3 Toolholder length L1 (mm)
                           Steel shank               Bar diameter is         F     .630
                   A       with oil hole             shown in mm.            G     3.54
                      Carbide shank with steel                               H     3.94
                   E
                          head & oil hole                                    J     4.33
                   C      Carbide shank                                      K     4.92
                          with steel head                                    L     5.12
                                                                             M     5.91     L1
                   S       Steel shank
                                                                             P     6.69
                       Steel shank reinforced                                Q     7.09
                   T    with carbide plates
                         (“Tsuppari-Ichiban”)                                R     7.87
                                                                             S     9.84
                  JS    J series Steel shank
                                                                             T    11.81
                                                                             U    13.78












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