Page 549 - Iscar
P. 549

DC_2
            DCNT (M8-M24)
            Indexable Head Drills with Chamfering    DC k7                               DCONMS DF
            Insert Mainly for Pre-Thread Holes
                                                        PL
                                                               SDL   6
                                                                  LTA            LS
             Designation            Th (1)  Dnominal (2)  DCN (3)  DCX  (4)  DC_2  SDL_1  PL  LTA  DCONMS  LS  SSC (5)
             DCNT 068-021-12A-M8     M8    6.80     6.5   6.90  13.50  21.00  1.24  43.8  12.00    45.0  6.5
             DCNT 085-026-12A-M10   M10    8.50     8.5   8.90  15.50  26.00  1.55  48.5  12.00    45.0  8.0         INDEXABLE DRILLS
             DCNT 102-030-16A-M12   M12    10.20   10.0   10.40  17.00  30.00  1.86  52.1  16.00   48.0  10.0
             DCNT 120-035-16A-M14   M14    12.00   12.0   12.40  19.00  35.00  2.18  58.8  16.00   48.0  12.0
             DCNT 140-039-16A-M16   M16    14.00   14.0   14.40  21.00  39.00  2.55  66.5  16.00   48.0  14.0
             DCNT 175-042-20A-M20   M20    17.50   17.0   17.90  24.00  42.00  3.18  68.8  20.00   50.0  17.0
             DCNT 210-048-25A-M24   M24    21.00   21.0   21.90  28.00  48.00  3.82  76.2  25.00   56.0  21.0
            • Hole tolerance: D+0.05 in average conditions. However, it can be higher or lower according to machine and tooling conditions   •  Do not mount smaller drilling
            heads other than the specified range of the drill body.   •  For user guide and cutting conditions, see page 544
            (1)  Used for standard thread size   (2)  Pre-thread hole diameter   (3)  Cutting diameter minimum   (4)  Cutting diameter maximum   (5)  Pocket size

            Spare Parts
             Designation
             DCNT 068-021-12A-M8                      SR 34-508           T-7/51            K DCN 6-9.99-Y
             DCNT 085-026-12A-M10                     SR 34-508           T-7/51            K DCN 6-9.99
             DCNT 102-030-16A-M12                     SR 34-508           T-7/51            K DCN 10-13.99
             DCNT 120-035-16A-M14                     SR 34-508           T-7/51            K DCN 10-13.99
             DCNT 140-039-16A-M16                     SR 34-508           T-7/51            K DCN 14-17.99
             DCNT 175-042-20A-M20                     SR 34-508           T-7/51            K DCN 14-17.99
             DCNT 210-048-25A-M24                     SR 34-508           T-7/51            K DCN 18-21.99
          1. Drilling pre-thread blind holes:                2. Drilling pre-thread through holes:

             Drilling with a 45° chamfer                        Drilling with a 45° chamfer







            Pre-Thread Recommended Hole Diameters with DCNT Drills
                                                   M                        Head   TR    Head   M Helicoil   Head
             Drill Designation          Dia. Range  Thread  Head Dia.  MF Head  Dia.  Thread  Dia.  Thread  Dia.
             DCNT 068-021-12A-M8         6.5-6.99  M8      6.8
                                                                   MF10x1   8.99
             DCNT 085-026-12A-M10        8.5-8.99  M10     8.5                   TR10x1.5  8.6
                                                                  MF10x1.25  8.8
                                                                   MF11x1   10.0  TR12x2
                                                                   MF12x1   10.99         10.2
             DCNT 102-030-16A-M12        10.0-10.99  M12  10.2                                   M10    10.5
                                                                  MF12x1.25  10.8  TR14x4  10.5
                                                                  MF12x1.5  10.5
                                                                   MF13x1   12.0  TR14x2  12.2
                                                                   MF14x1   12.99
             DCNT 120-035-16A-M14        12.0-12.99  M14  12.0                                   M12    12.5
                                                                  MF14x1.25  12.8  TR16x4  12.3
                                                                  MF14x1.5  12.5
                                                                   MF14x1   14.0
             DCNT 140-039-16A-M16        14.0-14.99  M16  14.0     MF16x1   14.99  TR18x4  14.3  M14    14.99
                                                                  MF16x1.5  14.5
             DCNT 175-042-20A-M20        17.0-17.99  M20  17.5     MF20x2   17.99  TR22x5  17.3
             DCNT 210-048-25A-M24        21.0-21.99  M24  21.0     MF22x1   21.0
                                          Dia.    UNF    Head    UNC    Head   BSW    Head             Head
             Drill Designation            Range   Thread  Dia.  Thread  Dia.  Thread   Dia.  BSF Thread  Dia.
             DCNT 068-021-12A-M8         6.5-6.99
             DCNT 085-026-12A-M10        8.5-8.99  UNF3/8-24  8.5
             DCNT 102-030-16A-M12       10.0-10.99             UNC1/2-13  10.8  BSW1/2-12  10.5  BSF1/2-16  10.99
             DCNT 120-035-16A-M14       12.0-12.99            UNC9/16-12  12.3               BSF9/16-16  12.5
             DCNT 140-039-16A-M16       14.0-14.99  UNF5/8-18  14.5
             DCNT 175-042-20A-M20       17.0-17.99  UNF3/4-16  17.5
             DCNT 210-048-25A-M24       21.0-21.99
                                                   NPT    Head   BSP   Head           Head   UNJF Helicoil
             Drill Designation          Dia. Range  Thread  Dia.  Thread  Dia.  UNEF Thread  Dia.  Thread  Head Dia.
             DCNT 068-021-12A-M8         6.5-6.99
             DCNT 085-026-12A-M10        8.5-8.99  NPT1/8-27  8.5  G1/8-28  8.8  UNEF3/8-32  8.7  UNJF3/8-24  8.6
             DCNT 102-030-16A-M12       10.0-10.99
             DCNT 120-035-16A-M14       12.0-12.99
             DCNT 140-039-16A-M16       14.0-14.99  NPT3/8-18  14.5          UNEF5/8-24  14.8  UNJF5/8-18  14.5
             DCNT 175-042-20A-M20       17.0-17.99  NPT1/2-14  17.5          UNEF3/4-20  17.8
             DCNT 210-048-25A-M24       21.0-21.99

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