Page 630 - ISCAR(MILLINGCATALOG 38_2021)
P. 630

BT MAS-403  Toolholder Standard          Type A d3 G  L4  L1 8° 17'50"  a f1  f3  d6 d5  L6  b
                                               No through coolant
          ”ADB” holders provide both “AD”
          and “B” type coolant flow options



                                                                  d1


                                               Type AD
                                               Central coolant hole    d







                                               Type B                                20º
                                               Coolant through flange   max. 35º
                                                                  d12
                                                                                            e1
                                                                                           e1

                                               Type ADB
                                               Center coolant hole or
                                               coolant through flange













             Shank      a       b (H12)    d        d1        G       d3 (H8)    d5       d6 (H8)      f1  ±0.1
             BT 30      2        16.1      8        31.75     M12      12.5     56.144     46          13.6
             BT 40      2        16.1      10       44.45     M16      17.0     75.679     63          16.6
             BT 50      3        25.7      15       69.85     M24      25.0     119.020    100         23.2
              Shank        f3         L1  ±0.2    L4 MIN      L6-0.2      e1  ±0.1     d12          Taper AT3
              BT 30        20          48.4        24          16.3        21           4             0.002
              BT 40        25          65.4        30          22.6        27           4             0.003
              BT 50        35         101.8        45          35.4        42           6             0.004




































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