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USER GUIDE




          Machining Recommendations for TRIDEEP Drills                             TOGT                               GUNDRILLS
                                               Tensile Strength   Hardness HB  V m/min 06 07 08  Feed per insert size "GF" & "DT"  12  13


                                                                                        10
                                                                               09
                                                                                                 11
           ISO     Material         Condition    [N/mm 2 ]   Material   Group No.     mm/rev
                        <0.25% C    Annealed  420  125  1
                        >=0.25% C   Annealed  650  190  2
            Non-alloy             Quenched and                     0.04-0.08   0.04-0.10   0.06-0.10   0.06-0.10   0.06-0.12
            steel and cast  <0.55% C  tempered  850  250  3        0.08-0.14  0.08-0.16  0.08-0.16  0.08-0.16  0.08-0.18
            steel, free
            cutting steel  >=0.55% C  Annealed  750  220  4
                                  Quenched and
                                    tempered  1000 300  5
                                    Annealed  600  200  6                            0.04-0.12
          P Low alloy and cast steel (less    930  275  7   80-120                   0.06-0.20
            than 5% of alloying elements)  Quenched and   1000 300  8
                                    tempered
                                              1200 350  9
                                    Annealed  680  200  10
            High alloyed steel, cast
            steel and tool steel  Quenched and   1100 325  11
                                    tempered                       0.04-0.08   0.04-0.10   0.06-0.10   0.06-0.10   0.06-0.12
                                     Ferritic/  680  200  12       0.08-0.14  0.08-0.16  0.08-0.16  0.08-0.16  0.08-0.18
            Stainless steel and cast steel  martensitic.
                                   Martensitic  820  240  13
                                    Austenitic,                    0.02-0.06   0.02-0.06   0.02-0.06   0.02-0.06   0.02-0.06
          M Stainless steel and cast steel    600  180  14  50-100
                                     duplex                        0.04-0.12  0.04-0.12  0.04-0.12  0.04-0.12  0.04-0.12
                                  Ferritic/pearlitic  180  15
            Grey cast iron (GG)     Pearlitic /
                                   martensitic     260  16
          K                          Ferritic      160  17  50-100   0.03-0.15   0.03-0.15   0.05-0.18   0.05-0.18   0.05-0.18
            Cast iron nodular (GGG)                         80-120  0.08-0.25  0.08-0.25  0.08-0.25  0.08-0.30  0.08-0.30
                                    Pearlitic      250  18
                                     Ferritic      130  19
            Malleable cast iron
                                    Pearlitic      230  20
                                  Not hardenable    60  21
            Aluminum-wrought alloys
                                   Hardenable      100  22
                        <=12% Si  Not hardenable   75  23
            Aluminum-              Hardenable      90  24
            cast alloys              High
                        >12% Si                    130  25
                                   temperature
          N             >1% Pb     Free cutting    110  26  80-160  0.03-0.15   0.03-0.15   0.03-0.18   0.05-0.18   0.03-0.18
                                                                                              0.08-0.20
                                                                                                        0.08-0.20
                                                                   0.08-0.20
                                                                                     0.08-0.20
                                                                            0.08-0.20
                                     Brass         90  27
            Copper alloys
                                    Electrolitic
                                     copper        100  28
                                   Duroplastics,       29
            Non metallic           fiber plastics
                                   Hard rubber         30
                                    Annealed       200  31
                        Fe based    Hardened       280  32
            High temp.
          S                         Annealed       250  33  20-50  0.08-0.14  0.08-0.16  0.08-0.16  0.08-0.16  0.08-0.16
            alloys      Ni or Co
                        based       Hardened       350  34
                                     Cast          320  35
















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