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P. 484
Application recommendations Twist drills
Order-Nr.
Norm/DIN
Tool material
Tools with bold feed column no. are preferred choice. Surface finish
Feed column no. Coolant: Typ
Drill Ø 1 2 3 4 5 6 7 8 9 Air
mm Neat oil Std. range page
f (mm/rev.) Soluble oil
0.50 0.004 0.006 0.007 0.008 0.010 0.012 0.014 0.016 0.019 Cutting direction:
1.00 0.006 0.008 0.012 0.014 0.016 0.018 0.020 0.023 0.025
right-hand cutting
2.00 0.020 0.025 0.032 0.040 0.050 0.063 0.080 0.100 0.125 L left-hand cutting
2.50 0.025 0.032 0.040 0.050 0.063 0.080 0.100 0.125 0.160
3.15 0.032 0.040 0.050 0.063 0.080 0.100 0.125 0.160 0.160
4.00 0.040 0.050 0.063 0.080 0.100 0.125 0.160 0.200 0.200
5.00 0.040 0.050 0.063 0.080 0.100 0.125 0.160 0.200 0.250
6.30 0.050 0.063 0.080 0.100 0.125 0.160 0.200 0.250 0.315
8.00 0.063 0.080 0.100 0.125 0.160 0.200 0.250 0.315 0.315
10.00 0.080 0.100 0.125 0.160 0.200 0.250 0.315 0.400 0.400
12.50 0.080 0.100 0.125 0.160 0.200 0.250 0.315 0.400 0.500
16.00 0.100 0.125 0.160 0.200 0.250 0.315 0.400 0.500 0.630
20.00 0.125 0.160 0.200 0.250 0.315 0.400 0.500 0.630 0.630
25.00 0.160 0.200 0.250 0.315 0.400 0.500 0.630 0.800 0.800
31.50 0.160 0.200 0.250 0.315 0.400 0.500 0.630 0.800 1.000
40.00 0.200 0.250 0.315 0.400 0.500 0.630 0.800 1.000 1.250
50.00 0.250 0.310 0.400 0.500 0.630 0.800 1.000 1.250 1.250
63.00 0.315 0.400 0.500 0.630 0.800 1.000 1.250 1.600 1.600
80.00 0.400 0.500 0.630 0.800 1.000 1.250 1.600 1.600 2.000
Material group Material examples Tens.str. Cool-
Figures in bold = material no. to DIN EN 10 027 N/mm 2 Hardness ant
Common structural steels 1.0035 S185(St33), 1.0486 P275N(StE285), 1.0345 P235GH(H1), 1.0425 P265GH(H2) ≤500
1.0050 E295 (St50-2), 1.0070 E360 (St70-2), 1.8937 P500NH (WStE500) ≤1000
Free-cutting steels 1.0718 11SMnPb30 (9SMnPb28), 1.0736 11SMn37 (9SMn36) ≤850
1.0727 46S20 (45S20), 1.0728 (60S20), 1.0757 46SPb20 (45SPb20) ≤1000
Unalloyed heat-treatable steels 1.0402 C22, 1.1178 C30E (Ck30) ≤700
1.0503 C45, 1.1191 C45E (Ck45) ≤850
1.0601 C60, 1.1221 C60E (Ck60) ≤1000
Alloyed heat-treatable steels 1.5131 50MnSi4, 1.7003 38Cr2, 1.7030 28Cr4 ≤1000
1.5710 36NiCr6, 1.7035 41Cr4, 1.7225 42CrMo4 ≤1400
Unalloyed case hard. steels 1.0301 (C10), 1.1121 C10E (Ck10) ≤850
Alloyed case hardened steels 1.7276 10CrMo11, 1.5125 11MnSi6 ≤1000
1.5752 15NiCr13, 1.7131 16MnCr5, 1.7264 20CrMo5 ≤1400
Nitriding steels 1.8504 34CrAl6 ≤1000
1.8519 31CrMoV9, 1.8550 34CrAlNi7 ≤1400
Tool steels 1.1750 C75W, 1.2067 102Cr6, 1.2307 29CrMoV9 ≤850
1.2080 X210Cr12, 1.2083 X42Cr13, 1.2419 105WCr6, 1.2767 X45NiCrMo4 ≤1400
High speed steels 1.3243 S 6-5-2-5, 1.3343 S 6-5-2, 1.3344 S 6-5-3 ≤1400
Spring steels 1.5026 55Si7, 1.7176 55Cr3, 1.8159 51CrV4 (51CrV4) ≤350 HB
Stainless steels, sulphured 1.4005 X12CrS13, 1.4104 X14CrMoS17, 1.4105 X6CrMoS17, 1.4305 X8CrNiS18-9 ≤900
austenitic 1.4301 X5CrNi18-10 (V2A), 1.4541 X6CrNiTi18-10, 1.4571 X6CrNiMoTi 17-12-2 (V4A) ≤1100
martensitic 1.4057 X20CrNi172 (X17CrNi16-2), 1.4122 X39CrMo17-1, 1.4521 X2CrMoTi18-2 ≤1500
Hardened steels – ≤48 HRC
≤66 HRC
Special alloys Nimonic, Inconel, Monel, Hastelloy ≤2000
Cast iron 0.6010 EN-GJL-100 (GG10), 0.6020 EN-GJL-200 (GG20) ≤240 HB
0.6025 EN-GJL-250 (GG25), 0.6035 EN-GJL-350 (GG35) ≤350 HB
Spheroidal graphite iron and 0.7050 EN-GJS-500-7 (GGG50), 0.8035 EN-GJMW-350-4 (GTW35) ≤240 HB
malleable cast iron 0.7070 EN-GJS-700-2 (GGG70), 0.8170 EN-GJMB-700-2 (GTS70) ≤350 HB
Chilled cast iron – ≤350 HB
Ti and Ti-alloys 3.7024 Ti99,5, 3.7114 TiAl5Sn2,5, 3.7124 TiCu2 ≤850
3.7154 TiAl6Zr5, 3.7165 TiAl6V4, 3.7184 TiAl4Mo4Sn2,5, - TiAl8Mo1V1 ≤1400
Aluminium and Al-alloys 3.0255 Al99,5, 3.2315 AlMgSi1, 3.3515 AlMg1 ≤400
Al wrought alloys 3.0615 AlMgSiPb, 3.1325 AlCuMg1, 3.3245 AlMg3Si, 3.4365 AlZnMgCu1,5 ≤650
Al cast alloys ≤ 10 % Si 3.2131 G-AlSi5Cu1, 3.2153 G-AlSi7Cu3, 3.2573 G-AlSi9 ≤600
≤ 24 % Si 3.2581 G-AlSi12, 3.2583 G-AlSi12Cu, - G-AlSi12CuNiMg ≤600
Magnesium alloys 3.5200 MgMn2, 3.5812.05 G-MgAl8Zn1, 3.5612.05 G-MgAl6Zn1 ≤400
Copper, low-alloyed 2.0070 SE-Cu, 2.1020 CuSn6, 2.1096 G-CuSn5ZnPb ≤500
Brass, short-chipping 2.0380 CuZn39Pb2, 2.0401 CuZn39Pb3, 2.0410 CuZn43Pb2 ≤600
long-chipping 2.0250 CuZn20, 2.0280 CuZn33, 2.0332 CuZn37Pb0,5 ≤600
Bronze, short-chipping 2.1090 CuSn7ZnPb, 2.1170 CuPb5Sn5, 2.1176 CuPb10Sn ≤600
2.0790 CuNi18Zn19Pb ≤850
Bronze, long-chipping 2.0916 CuAl5, 2.0960 CuAl9Mn, 2.1050 CuSn10 ≤850
2.0980 CuAl11Ni, 2.1247 CuBe2 ≤1000
Duroplastics Epoxy resin, Resopal, Pertinax, Moltopren ≤150
Thermoplastics Plexiglass, Hostalen, Novodur, Makralon ≤100
New cast materials GGV EN-GJV250 (GGV25), EN-GJV350 (GGV35) ≤220 HB
EN-GJV400 (GGV40), EN-GJV500 (GGV50), SiMo 6 ≤300 HB
New cast materials ADI EN-GJS-800-8 (ADI800), EN-GJS-1000-5 (ADI1000) ≤1000
EN-GJS-1200-2 (ADI1200), EN-GJS-1400-1 (ADI1400) ≤1400
Kevlar Kevlar ≤1000
Glass, carbon concentr. plastics GFK/CFK ≤1000
bright steam tempered nitrided lands golden brown M MolyGlide
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