Page 170 - Carbide drills I Thread cutting tools 2023
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          Application      Material       UNC    [mm]  P(TPI)  z  [m/min]  [mm]  [mm]  [min ]  [mm/min] [mm/min]
                                                                                   v fc
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                        Steel          1/4       4.80  20.0  3  80  0.0110  15.5  5305  43  175
                        850 - 1100 N/mm²  5/16   5.95  18.0  3  80  0.0135  18.8  4280  43  173
                                       3/8       7.10  16.0  4  80  0.0160  22.9  3585  58  229
                                       7/16      7.95  14.0  4  80  0.0180  26.4  3205  66  231
                                       1/2       9.95  13.0  4  80  0.0225  30.0  2560  50  230
                        Steel          1/4       4.80  20.0  3  50  0.0095  15.5  3315  23  95
                        1300 - 1500 N/mm²  5/16  5.95  18.0  3  50  0.0120  18.8  2675  24  96
                                       3/8       7.10  16.0  4  50  0.0145  22.9  2240  33  130
                                       7/16      7.95  14.0  4  50  0.0160  26.4  2000  36  128
                                       1/2       9.95  13.0  4  50  0.0200  30.0  1600  28  128
                        Hardened tool steel    1/4  4.80  20.0  3  30  0.0075  15.5  1990  11  45
                        48 - 52 HRC    5/16      5.95  18.0  3  30  0.0090  18.8  1605  11  43
                                       3/8       7.10  16.0  4  30  0.0110  22.9  1345  15  59
                                       7/16      7.95  14.0  4  30  0.0120  26.4  1200  16  58
                                       1/2       9.95  13.0  4  30  0.0150  30.0  960  12  58



                        Stainless steel   1/4    4.80  20.0  3  50  0.0075  15.5  3315  18  75
                        [Cr-Ni/1.4301]  5/16     5.95  18.0  3  50  0.0090  18.8  2675  18  72
                                       3/8       7.10  16.0  4  50  0.0110  22.9  2240  25  99
                                       7/16      7.95  14.0  4  50  0.0120  26.4  2000  27  96
                                       1/2       9.95  13.0  4  50  0.0150  30.0  1600  21  96


                        Cast iron      1/4       4.80  20.0  3  120  0.0110  15.5  7960  64  263
                        (lamellar / spheroidal)  5/16  5.95  18.0  3  120  0.0135  18.8  6420  65  260
                                       3/8       7.10  16.0  4  120  0.0160  22.9  5380  88  344
                                       7/16      7.95  14.0  4  120  0.0180  26.4  4805  98  346
                                       1/2       9.95  13.0  4  120  0.0225  30.0  3840  75  346



                        Wrought aluminium alloys   1/4  4.80  20.0  3  150  0.0150  15.5  9945  109  448
                        Si < 6%        5/16      5.95  18.0  3  150  0.0190  18.8  8025  115  457
                        hardened       3/8       7.10  16.0  4  150  0.0225  22.9  6725  154  605
                                       7/16      7.95  14.0  4  150  0.0250  26.4  6005  171  601
                                       1/2       9.95  13.0  4  150  0.0315  30.0  4800  131  605


                        Cast aluminium  1/4      4.80  20.0  3  200  0.0150  15.5  13265  146  597
                                       5/16      5.95  18.0  3  200  0.0190  18.8  10700  153  610
                                       3/8       7.10  16.0  4  200  0.0225  22.9  8965  205  807
                                       7/16      7.95  14.0  4  200  0.0250  26.4  8010  228  801
                                       1/2       9.95  13.0  4  200  0.0315  30.0  6400  175  806



                        Titanium alloys    1/4   4.80  20.0  3  40  0.0075  15.5  2655  15  60
                        > 300 HB       5/16      5.95  18.0  3  40  0.0090  18.8  2140  14  58
                        [Ti6Al4V]      3/8       7.10  16.0  4  40  0.0110  22.9  1795  20  79
                                       7/16      7.95  14.0  4  40  0.0120  26.4  1600  22  77
                                       1/2       9.95  13.0  4  40  0.0150  30.0  1280  17  77







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