Page 193 - ISCAR(HOLE_MAKING_CATALOG_65)
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USER GUIDETION GUIDE
                                                                                             SELEC



          DEEP HOLE DRILLING Index

              Single Tube System                                Double Tube System

              Single Tube System (STS) –                        Double Tube System (DTS) -
              Cooling fluid is induced through the gap between   Cooling fluid is induced between the coaxial
              the drill and the hole. Conveying the chips through   tubes, conveying the chips through the inner tube   SOLID CARBIDE DRILLS
              the tube requires the use of dedicated machines.  and can be applied on standard machines.              DEEP DRILLING - BTA SYSTEM


















          Deep Drilling Heads Identification System


                D         S          D    -    E         C           XXX.XXX              XX          XX

                                                                     Hole Diameter

                                                        I - Insert
                                                        A - Adjustable Insert              Chipbreaker
                                                        C - Cartridge                        (letters)
                                                        F - Fast Feed                       -or- Insert
                                                        0 - Brazed, 1 tip, 1 thread start  Chamfer Angle
                                                        1 - Brazed, 1 tip                  (for boring)
                                                        2 - Brazed, 2 tips                  (numbers)
                                                        3 - Brazed, 3 tips

                                              E - External Thread
                                              I - Internal Thread                     Only for Brazed Heads

                                   D -  Drill                                               P - Steel
                                   C -  Counterbore with Through Hole                       M - Stainless
                                   T -  Counterbore without Through Hole                    K - Cast Iron
                                   TR - Trepanning
                                                                                            N - Aluminum

                         S - Single Tube
                         D - Double Tube
                                                                                          Grade


               D - Deep Drilling/Counterbore
               I - Inch Deep Drilling/Counterbore
               S - Special Deep Drilling/Counterbore                                        0 - Uncoated
                                                                                            1 - TiAlN Coating
                                                                                            Z - TiCrAlN Coating















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