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USER GUIDE




          Machining Recommendations for FINEBEAM Drills
                                                  Tensile  Material                  Cutting    Feed : f (mm/rev)
                                                  Strength  Group   Hardness        speed Vc     Drill dia. (mm)
           ISO  Material             Condition    [N/mm ]  No. (1)  (HB)  Chipbreaker  (m/min)  25.00 - 43.00 43.01 - 89.00
                                                       2
                                                                             HF     70 - 130  0.11 - 0.41   0.14-0.45
                        <0.25% C     Annealed      420      1      125
                                                                             G       70-130  0.10-0.30  0.12-0.35
                                                                             HF      70-130  0.11-0.41  0.14-0.45
            Non-alloy   >=0.25% C    Annealed      650      2      190       G       70-130  0.10-0.30  0.12-0.35
            steel and cast   <0.55% C  Quenched and   850   3      250       HF      70-130  0.11-0.41  0.14-0.45
            steel, free              tempered                                G       70-130  0.10-0.30  0.12-0.35     DEEP DRILLING - BTA SYSTEM
            cutting steel  >=0.55% C  Annealed     750      4      220       HF      70-130  0.11-0.41  0.14-0.45
                                                                                                       0.12-0.35
                                                                                             0.10-0.30
                                                                             G
                                                                                     70-130
                                   Quenched and    1000     5      300       HF      70-130  0.11-0.41  0.14-0.45
                                     tempered                                G       70-130  0.10-0.30  0.12-0.35
                                     Annealed      600      6      200       HF      70-120  0.11-0.41  0.20-0.45
                                                                             G
                                                                                             0.10-0.30
                                                                                     70-120
                                                                                                       0.12-0.35
          P Low alloy and cast                     930      7      275       HF      55-110  0.11-0.41  0.20-0.45
                                                                             G
            steel (less than 5% of   Quenched and                            HF      60-120  0.10-0.30  0.12-0.35
                                                                                     55-110
                                                                                                       0.20-0.45
                                                                                             0.11-0.41
            alloying elements)                     1000     8      300
                                     tempered                                G       60-120  0.10-0.30  0.12-0.35
                                                   1200     9      350       HF      55-110  0.11-0.41  0.20-0.45
                                                                             G       60-120  0.10-0.30  0.12-0.35
                                                                             HF      55-110  0.11-0.38  0.20-0.40
                                     Annealed      680     10      200
            High alloyed steel, cast                                         G       70-130  0.10-0.30  0.12-0.35
            steel and tool steel   Quenched and  High temp. alloys   11  325  HF     55-110  0.11-0.38  0.20-0.40
                                                   1100
                                     tempered                                G       70-130  0.10-0.30  0.12-0.35
                                                                             HF      40-110  0.11-0.41  0.20-0.45
            Stainless steel       Ferritic/martensitic  680  12    200       G       70-130  0.10-0.30  0.12-0.35
            and cast steel           Martensitic   820     13      240       HF      40-110  0.11-0.41  0.20-0.45
                                                                             G       70-130  0.10-0.30  0.12-0.35
                                                                             HF      40-110  0.11-0.41  0.20-0.45
          M Stainless steel and cast steel  Austenitic, duplex     600  14  180
                                                                             G       70-130  0.10-0.30  0.12-0.35
                                                                             HF      50-110  0.11-0.38  0.24-0.41
                                   Ferritic/pearlitic      15      180
                                                                             G
            Grey cast iron (GG)                                              HF      50-110  0.10-0.25  0.12-0.35
                                                                                     50-110
                                                                                             0.11-0.38
                                                                                                       0.24-0.41
                                  Pearlitic/martensitic    16      260
                                                                             G       50-110  0.10-0.25  0.12-0.35
                                                                             HF      50-110  0.11-0.38  0.24-0.41
                                      Ferritic             17      160       G       50-110  0.10-0.25  0.12-0.35
          K Nodular cast iron (GGG)                                          HF      50-110  0.11-0.38  0.24-0.41
                                      Pearlitic            18      250
                                                                             G       50-110  0.10-0.25  0.12-0.35
                                                                             HF      50-110  0.11-0.38  0.24-0.41
                                      Ferritic             19      130       G       50-110  0.10-0.25  0.12-0.35
            Malleable cast iron                                              HF      50-110  0.11-0.38  0.24-0.41
                                      Pearlitic            20      230       G       50-110  0.10-0.25  0.12-0.35
                                   Not hardenable          21      60        HF      65-150  0.09-0.33  0.24-0.35
            Aluminum-wrought alloys                                          G       65-130  0.10-0.25  0.12-0.35
                                     Hardenable            22      100       HF      65-150  0.09-0.33  0.24-0.35
                                                                                                       0.12-0.27
                                                                                             0.08-0.23
                                                                             G
                                                                                     65-130
                                   Not hardenable          23      75        HF      65-150  0.09-0.33  0.24-0.35
                                                                                     65-130
                                                                                             0.08-0.23
                                                                             G
                                                                                                       0.12-0.27
            Aluminum-   ≤ 12% Si     Hardenable            24      90        HF      65-150  0.09-0.33  0.24-0.35
                                                                             G
          N  cast alloys                                                     HF      65-130  0.08-0.23  0.12-0.27
                                                                                                       0.24-0.35
                                                                                             0.09-0.33
                                                                                     65-150
                        >12% Si    High temperature        25      130
                                                                             G       65-130  0.08-0.23  0.12-0.27
                                                                             HF      65-150  0.09-0.33  0.24-0.35
                        >1% Pb      Free cutting           26      110
                                                                             G       65-130  0.08-0.23  0.12-0.27
                                                                             HF      65-150  0.09-0.33  0.24-0.35
            Copper alloys             Brass                27      90
                                                                             G       65-130  0.08-0.23  0.12-0.27
                                                                             HF      65-150  0.09-0.33  0.24-0.35
                                  Electrolitic copper      28      100
                                                                             G       65-130  0.08-0.23  0.12-0.27
                                                                             HF      20-55   0.09-0.30  0.20-0.33
                                     Annealed              31      200
                                                                             G
                        Fe base                                              HF      20-50   0.08-0.23  0.12-0.27
                                                                                     20-55
                                                                                             0.09-0.30
                                                                                                       0.20-0.33
                                     Hardened              32      280
                                                                             G       20-50   0.08-0.23  0.12-0.27
            High temp.               Annealed              33      250       HF      20-55   0.09-0.30  0.20-0.33
            alloys                                                           G       20-50   0.08-0.23  0.12-0.27
                        Ni / Co                                              HF      20-55   0.09-0.30  0.20-0.33
          S             base         Hardened              34      350       G       20-50   0.08-0.23  0.12-0.27
                                                                             HF      20-55   0.09-0.30  0.20-0.33
                                       Cast                35      320
                                                                             G       20-50   0.08-0.23  0.12-0.27
                                                                             HF      30-60   0.09-0.30  0.20-0.33
                                       Pure        400     36                G       30-60   0.08-0.23  0.12-0.27
            Titanium alloys       Alpha+beta alloys                          HF      30-60   0.09-0.30  0.20-0.33
                                     hardened      1050    37                G       30-60   0.08-0.23  0.12-0.27
                                                                             HF      30-60   0.09-0.30  0.20-0.33
          H Hardened steel ≥ 40HRC   Hardened              38
                                                                             G       30-60   0.08-0.23  0.12-0.27
          (1)  For material groups see pages 495-524
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