Page 172 - Carbide drills I Thread cutting tools 2023
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Application Material UNF [mm] P(TPI) z [m/min] [mm] [mm] [min ] [mm/min] [mm/min]
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Steel 1/4 4.80 28.0 3 80 0.0110 15.0 5305 43 175
850 - 1100 N/mm² 5/16 5.95 24.0 3 80 0.0135 18.7 4280 43 173
3/8 7.95 24.0 4 80 0.0180 21.6 3205 38 231
7/16 7.95 20.0 4 80 0.0180 26.7 3205 66 231
1/2 9.95 20.0 4 80 0.0225 29.0 2560 50 230
Steel 1/4 4.80 28.0 3 50 0.0095 15.0 3315 23 95
1300 - 1500 N/mm² 5/16 5.95 24.0 3 50 0.0120 18.7 2675 24 96
3/8 7.95 24.0 4 50 0.0160 21.6 2000 21 128
7/16 7.95 20.0 4 50 0.0160 26.7 2000 36 128
1/2 9.95 20.0 4 50 0.0200 29.0 1600 28 128
Hardened tool steel 1/4 4.80 28.0 3 30 0.0075 15.0 1990 11 45
48 - 52 HRC 5/16 5.95 24.0 3 30 0.0090 18.7 1605 11 43
3/8 7.95 24.0 4 30 0.0120 21.6 1200 10 58
7/16 7.95 20.0 4 30 0.0120 26.7 1200 16 58
1/2 9.95 20.0 4 30 0.0150 29.0 960 12 58
Stainless steel 1/4 4.80 28.0 3 50 0.0075 15.0 3315 18 75
[Cr-Ni/1.4301] 5/16 5.95 24.0 3 50 0.0090 18.7 2675 18 72
3/8 7.95 24.0 4 50 0.0120 21.6 2000 16 96
7/16 7.95 20.0 4 50 0.0120 26.7 2000 27 96
1/2 9.95 20.0 4 50 0.0150 29.0 1600 21 96
Cast iron 1/4 4.80 28.0 3 120 0.0110 15.0 7960 64 263
(lamellar / spheroidal) 5/16 5.95 24.0 3 120 0.0135 18.7 6420 65 260
3/8 7.95 24.0 4 120 0.0180 21.6 4805 57 346
7/16 7.95 20.0 4 120 0.0180 26.7 4805 98 346
1/2 9.95 20.0 4 120 0.0225 29.0 3840 75 346
Wrought aluminium alloys 1/4 4.80 28.0 3 150 0.0150 15.0 9945 109 448
Si < 6% 5/16 5.95 24.0 3 150 0.0190 18.7 8025 115 457
hardened 3/8 7.95 24.0 4 150 0.0250 21.6 6005 99 601
7/16 7.95 20.0 4 150 0.0250 26.7 6005 171 601
1/2 9.95 20.0 4 150 0.0315 29.0 4800 131 605
Cast aluminium 1/4 4.80 28.0 3 200 0.0150 15.0 13265 146 597
5/16 5.95 24.0 3 200 0.0190 18.7 10700 153 610
3/8 7.95 24.0 4 200 0.0250 21.6 8010 132 801
7/16 7.95 20.0 4 200 0.0250 26.7 8010 228 801
1/2 9.95 20.0 4 200 0.0315 29.0 6400 175 806
Titanium alloys 1/4 4.80 28.0 3 40 0.0075 15.0 2655 15 60
> 300 HB 5/16 5.95 24.0 3 40 0.0090 18.7 2140 14 58
[Ti6Al4V] 3/8 7.95 24.0 4 40 0.0120 21.6 1600 13 77
7/16 7.95 20.0 4 40 0.0120 26.7 1600 22 77
1/2 9.95 20.0 4 40 0.0150 29.0 1280 17 77
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