Page 146 - Carbide drills I Thread cutting tools 2023
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          Application      Material       G      [mm]  P(TPI)  z  [m/min]  [mm]  [min ] -1  [mm/min] [mm/min]
                        Steel          G 1/8      6.20  28.0  4    80  0.0350  4105  208  575
                        850 - 1100 N/mm²  G 3/8   9.95  19.0  4    80  0.0600  2560  248  614
                                       G 7/8     11.95  14.0  4    80  0.0600  2130  309  511
                                       G 2‘‘     15.95  11.0  5    80  0.0650  1595  380  518
                        Steel          G 1/8      6.20  28.0  4    45  0.0300  2310  101  277
                        1300 - 1500 N/mm²  G 3/8  9.95  19.0  4    45  0.0550  1440  128  317
                                       G 7/8     11.95  14.0  4    45  0.0600  1200  174  288
                                       G 2‘‘     15.95  11.0  5    45  0.0650  900  214  293



                        Stainless steel   G 1/8   6.20  28.0  4    55  0.0300  2825  123  339
                        [Cr-Ni/1.4301]  G 3/8     9.95  19.0  4    55  0.0550  1760  156  387
                                       G 7/8     11.95  14.0  4    55  0.0600  1465  212  352
                                       G 2‘‘     15.95  11.0  5    55  0.0650  1100  262  358




                        Nickel base alloys   G 1/8  6.20  28.0  4  30  0.0300  1540  67  185
                        hardened       G 3/8      9.95  19.0  4    30  0.0400  960  62  154
                                       G 7/8     11.95  14.0  4    30  0.0500  800  97  160
                                       G 2‘‘     15.95  11.0  5    30  0.0600  600  132  180



                        Wrought aluminium alloys   G 1/8  6.20  28.0  4  150  0.0500  7700  559  1540
                        Si < 6%        G 3/8      9.95  19.0  4   150  0.0700  4800  541  1344
                        hardened       G 7/8     11.95  14.0  4   150  0.0800  3995  773  1278
                                       G 2‘‘     15.95  11.0  5   150  0.0900  2995  987  1348




                        Cast iron      G 1/8      6.20  28.0  4   120  0.0400  6160  357  986
                        (lamellar / spheroidal)  G 3/8  9.95  19.0  4  120  0.0650  3840  402  998
                                       G 7/8     11.95  14.0  4   120  0.0700  3195  541  895
                                       G 2‘‘     15.95  11.0  5   120  0.0900  2395  789  1078



                        Unalloyed copper  G 1/8   6.20  28.0  4   130  0.0400  6675  387  1068
                                       G 3/8      9.95  19.0  4   130  0.0600  4160  402  998
                                       G 7/8     11.95  14.0  4   130  0.0650  3465  544  901
                                       G 2‘‘     15.95  11.0  5   130  0.0750  2595  713  973




                        Titanium alloys    G 1/8  6.20  28.0  4    40  0.0300  2055  89  247
                        > 300 HB       G 3/8      9.95  19.0  4    40  0.0400  1280  83  205
                        [Ti6Al4V]      G 7/8     11.95  14.0  4    40  0.0500  1065  129  213
                                       G 2‘‘     15.95  11.0  5    40  0.0600  800  176  240








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