Page 184 - Master Catalog 2017, Inch
P. 184

Advanced Material Inserts
                 Grade Numbering System



                  Grade Numbering System — Ceramics


                    CW                    2                         0                             15


                    Brand               Cutting                                              Application Range
                                     Material Group



                  CW  =  WIDIA ™  2 = CM  Mixed (black)   0 = Stationary cutting edges
                                                                                      05  =    fi ne fi nishing
                                        ceramic              (turning, parting, threading)
                                                                                      10  =    fi nishing
                                3 = CR  Whisker reinforced   1 = First successor
                                        ceramic                                       15  = }
                                                                                      20  =    medium
                                5 = CN  Silicon nitride   2 = Semi-standard                    to roughing
                                        ceramic              rotating cutting edges   25  =
                                                                                      30  = }
                                                         3 = Semi-standard                     roughing
                                                                                      35  =
                                                             general applications
                                                                                      40  = }
                                                         5 = Rotating cutting edges            heaviest
                                                                                      45  =
                                                             (milling, drilling, reaming)      roughing
                                                                                      50  =

























































                 B164                                                                                       widia.com





                                16 T
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                       WID M
                                              B164 B165 Mi
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         L WID_Master16_Turning_Inserts_B164_B165_Minch_REBRAND.indd   164  h REBRAND N  b  9 2015 10 49 AM        11/10/15   11:03 AM
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