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]
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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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