Page 24 - HOLE_MAKING_CATALOG_INCH_2022_P237-P372
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USER GUIDE
      DEEP DRILLING - BTA SYSTEM

         Machining Recommendations for FINEBEAM Drills
                                                   Tensile  Material               Cutting      Feed : f (IPR)
                                                  Strength  Group  Hardness         Speed      Drill dia. (inch)
           ISO     Material          Condition      [ksi]  No. (1)  (HB)  Chipbreaker Vc (SFM) Ø.984 - 1.693 Ø1.693 - 3.504
                        <0.25% C      Annealed      61      1     125       HF     230 - 425  .004 - .016  .006 - .018
                                                                                           .004 - .012
                                                                                   230 - 425
                                                                            G
                                                                                                      .005 - .014
                                                                            HF     230 - 425  .004 - .016  .006 - .018
                        ≥0.25% C      Annealed      94      2     190
            Non-alloy steel                                                 G      230 - 425  .004 - .012  .005 - .014
            and cast steel,   <0.55% C Quenched and tempered  123  3  250   HF     230 - 425  .004 - .016  .006 - .018
                                                                                                      .005 - .014
                                                                                           .004 - .012
                                                                            G
                                                                                   230 - 425
            free cutting steel                                              HF     230 - 425  .004 - .016  .006 - .018
                                      Annealed      109     4     220
                        ≥0.55% C                                            G      230 - 425  .004 - .012  .005 - .014
                                Quenched and tempered  145  5     300       HF     230 - 425  .004 - .016  .006 - .018
                                                                                           .004 - .012
                                                                                                      .005 - .014
                                                                                   230 - 425
                                                                            G
                                      Annealed      87      6     200       HF     230 - 395  .004 - .016  .008 - .018
                                                                            G      230 - 395  .004 - .012  .005 - .014
          P Low alloy and cast steel                135     7     275       HF     180 - 360  .004 - .016  .008 - .018
                                                                                   195 - 395
                                                                                           .004 - .012
                                                                                                      .005 - .014
                                                                            G
            (less than 5% of                                                HF     180 - 360  .004 - .016  .008 - .018
            alloying elements)  Quenched and tempered  145  8     300       G      195 - 395  .004 - .012  .005 - .014
                                                                            HF     180 - 360  .004 - .016  .008 - .018
                                                    174     9     350       G      195 - 395  .004 - .012  .005 - .014
            High alloyed steel, cast   Annealed     99     10     200       HF     180 - 360  .004 - .015  .008 - .016
                                                                                                      .005 - .014
                                                                                   230 - 425
                                                                            G
                                                                                           .004 - .012
            steel and tool steel  Quenched and tempered  160  11  325       HF     180 - 360  .004 - .015  .008 - .016
                                                                            G      230 - 425  .004 - .012  .005 - .014
                                   Ferritic/martensitic  99  12   200       HF     130 - 360  .004 - .016  .008 - .018
                                                                                   230 - 425
                                                                                                      .005 - .014
                                                                                           .004 - .012
                                                                            G
            Stainless steel and cast steel                                  HF     130 - 360  .004 - .016  .008 - .018
                                     Martensitic    119    13     240       G      230 - 425  .004 - .012  .005 - .014
                                                                            HF     130 - 360  .004 - .016  .008 - .018
          M Stainless steel and cast steel  Austenitic, duplex  87  14  180  G     230 - 425  .004 - .012  .005 - .014
                                    Ferritic/pearlitic     15     180       HF     165 - 360  .004 - .015  .009 - .016
            Grey cast iron (GG)                                             G      165 - 360  .004 - .01  .005 - .014
                                  Pearlitic/martensitic    16     260       HF     165 - 360  .004 - .015  .009 - .016
                                                                            G      165 - 360  .004 - .01  .005 - .014
                                       Ferritic            17     160       HF     165 - 360  .004 - .015  .009 - .016
                                                                            G
                                                                                            .004 - .01
          K Nodular cast iron (GGG)                                         HF     165 - 360  .004 - .015  .005 - .014
                                                                                                      .009 - .016
                                                                                   165 - 360
                                      Pearlitic            18     250       G      165 - 360  .004 - .01  .005 - .014
                                                                            HF     165 - 360  .004 - .015  .009 - .016
                                       Ferritic            19     130       G      165 - 360  .004 - .01  .005 - .014
            Malleable cast iron                                             HF     165 - 360  .004 - .015  .009 - .016
                                      Pearlitic            20     230       G      165 - 360  .004 - .01  .005 - .014
                                    Not hardenable         21      60       HF     215 - 490  .004 - .013  .009 - .014
            Aluminum-wrought alloys                                         G      215 - 425  .004 - .01  .005 - .014
                                     Hardenable            22     100       HF     215 - 490  .004 - .013  .009 - .014
                                                                            G
                                                                                                      .005 - .011
                                                                                   215 - 425
                                                                                           .003 - .009
                                                                            HF     215 - 490  .004 - .013  .009 - .014
                                    Not hardenable         23      75       G      215 - 425  .003 - .009  .005 - .011
            Aluminum-    ≤12% Si     Hardenable            24      90       HF     215 - 490  .004 - .013  .009 - .014
                                                                            G
          N  cast alloys                                                    HF     215 - 425  .003 - .009  .005 - .011
                                                                                   215 - 490
                                                                                                      .009 - .014
                                                                                           .004 - .013
                         >12% Si   High temperature        25     130       G      215 - 425  .003 - .009  .005 - .011
                         >1% Pb      Free cutting          26     110       HF     215 - 490  .004 - .013  .009 - .014
                                                                                                      .005 - .011
                                                                                   215 - 425
                                                                                           .003 - .009
                                                                            G
            Copper alloys              Brass               27      90       HF     215 - 490  .004 - .013  .009 - .014
                                                                                                      .005 - .011
                                                                                           .003 - .009
                                                                            G
                                                                                   215 - 425
                                                                            HF     215 - 490  .004 - .013  .009 - .014
                                   Electrolitic copper     28     100       G      215 - 425  .003 - .009  .005 - .011
                                                                            HF     65 - 180  .004 - .012  .008 - .013
                                      Annealed             31     200       G      65 - 165  .003 - .009  .005 - .011
                         Fe based                                           HF     65 - 180  .004 - .012  .008 - .013
                                     Hardened              32     280       G      65 - 165  .003 - .009  .005 - .011
            High temperature          Annealed             33     250       HF     65 - 180  .004 - .012  .008 - .013
            alloys                                                          G      65 - 165  .003 - .009  .005 - .011
          S              Ni or Co    Hardened              34     350       HF     65 - 180  .004 - .012  .008 - .013
                         based                                              G      65 - 165  .003 - .009  .005 - .011
                                       Cast                35     320       HF     65 - 180  .004 - .012  .008 - .013
                                                                                                      .005 - .011
                                                                                   65 - 165
                                                                            G
                                                                                           .003 - .009
                                                                            HF     100 - 195  .004 - .012  .008 - .013
                                       Pure         58     36               G      100 - 195  .003 - .009  .005 - .011
            Titanium alloys        Alpha+Beta alloys                        HF     100 - 195  .004 - .012  .008 - .013
                                      hardened      152    37               G      100 - 195  .003 - .009  .005 - .011
          H Hardened steel ≥40HRC    Hardened              38               HF     100 - 195  .004 - .012  .008 - .013
                                                                            G      100 - 195  .003 - .009  .005 - .011
          (1)  For material groups see pages 573-604
   260   ISCAR
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