
| Tensile Stth | Material G | Hd | Cutting d | Feed : f Drill d | (mm/rev) ia(mm) | |||
| ISO Material | Condition | reng [N/mm2] | roup No.(1) | arness (HB) | Chipbreaker | spee Vc (m/min) | Ø16-18 | . Ø18.01-40 |
| < 0.25 %C | Annealed | 420 | 1 | 125 | GF DT | 50-100 80-140 | 0.03-0.10 0.05-0.10 | 0.03-0.10 0.05-0.10 |
| Non-alloy steel and >= 0.25 %C | Annealed | 650 | 2 | 190 | GF DT | 50-100 80-140 | 0.03-0.10 0.05-0.10 | 0.03-0.10 0.05-0.10 |
| cast steel, free cutting < 0.55 %C | Quenched and tempered | 850 | 3 | 250 | GF DT | 50-100 80-140 | 0.03-0.10 0.05-0.16 | 0.03-0.12 0.05-0.20 |
| steel >= 0.55 %C | Annealed | 750 | 4 | 220 | GF DT | 50-100 80-140 | 0.03-0.10 0.05-0.16 | 0.03-0.12 0.05-0.20 |
| Quenched and tempered | 1000 | 5 | 300 | GF DT | 50-100 80-140 | 0.03-0.10 0.05-0.16 | 0.03-0.12 0.05-0.20 | |
| Annealed | 600 | 6 | 200 | GF DT | 50-100 80-140 | 0.03-0.10 0.05-0.10 | 0.03-0.10 0.05-0.10 | |
| P Low alloy and cast steel (less than 5% of | 930 | 7 | 275 | GF DT | 50-100 80-140 | 0.03-0.10 0.05-0.10 | 0.03-0.10 0.05-0.10 | |
| alloying elements) | Quenched and tempered | 1000 | 8 | 300 | GF DT | 50-100 80-140 | 0.03-0.10 0.05-0.10 | 0.03-0.10 0.05-0.10 |
| 1200 | 9 | 350 | GF DT | 50-100 80-140 | 0.03-0.10 0.05-0.10 | 0.03-0.10 0.05-0.10 | ||
| High alloyed steel, cast | Annealed | 680 | 10 | 200 | GF DT | 50-100 80-120 | 0.03-0.10 0.05-0.16 | 0.03-0.12 0.05-0.20 |
| steel and tool steel | Quenched and tempered | 1100 | 11 | 325 | GF DT | 50-100 80-120 | 0.03-0.10 0.05-0.16 | 0.03-0.12 0.05-0.20 |
| Stainless steel | Ferritic/martensitic | 680 | 12 | 200 | GF DT | 50-100 60-100 | 0.03-0.06 0.05-0.10 | 0.03-0.06 0.05-0.10 |
| and cast steel | Martensitic | 820 | 13 | 240 | GF DT | 50-100 60-100 | 0.03-0.06 0.05-0.10 | 0.03-0.06 0.05-0.10 |
| M Stainless steel and cast steel | Austenitic, duplex | 600 | 14 | 180 | GF DT | 50-100 60-100 | 0.03-0.06 0.05-0.10 | 0.03-0.06 0.05-0.10 |
| Ferritic/pearlitic | 15 | 180 | GF | 50-100 | 0.03-0.15 | 0.05-0.18 | ||
| Gre cast iron (GG) | DT | 80-140 | 0.05-0.25 | 0.05-0.3 | ||||
| y | Pearlitic/martensitic | 16 | 260 | GF DT | 50-100 80-140 | 0.03-0.15 0.05-0.25 | 0.05-0.18 0.05-0.3 | |
| Ferritic | 17 | 160 | GF | 50-100 | 0.03-0.15 | 0.05-0.18 | ||
| K Nodular cast iron (GGG) | DT GF | 80-140 50-100 | 0.05-0.25 003-015 | 0.05-0.3 005-018 | ||||
| Pearlitic | 18 | 250 | DT | 80-140 | .. 0.05-0.25 | .. 0.05-0.3 | ||
| Malleable cast iron | Ferritic | 19 | 130 | GF DT | 50-100 80-140 | 0.03-0.15 0.05-0.25 | 0.05-0.18 0.05-0.3 | |
| Pearlitic | 20 | 230 | GF | 50-100 | 0.03-0.15 | 0.05-0.18 | ||
| DT | 80-140 | 0.05-0.25 | 0.05-0.3 | |||||
| Aluminum-wrought alloys | Not hardenable | 21 | 60 | GF DT | 80-160 100-200 | 0.03-0.15 0.05-0.20 | 0.03-0.015 0.05-0.20 | |
| Hdbl | 22 | 100 | GF | 80-160 | 0.03-0.15 | 0.03-0.015 | ||
| arenae | DT | 100-200 | 0.05-0.20 | 0.05-0.20 | ||||
| ≤ 12% Si | Not hardenable | 23 | 75 | GF DT | 80-160 100-200 | 0.03-0.15 0.05-0.20 | 0.03-0.015 0.05-0.20 | |
| N Aluminum- cast alloys | Hardenable | 24 | 90 | GF DT | 80-160 100-200 | 0.03-0.15 0.05-0.20 | 0.03-0.015 0.05-0.20 | |
| >12% Si | High temperature | 25 | 130 | GF | 80-160 | 0.03-0.15 | 0.03-0.015 | |
| DT | 100-200 | 0.05-0.20 | 0.05-0.20 | |||||
| >1% Pb | Free cutting | 26 | 110 | GF DT | 80-160 100-200 | 0.03-0.15 0.05-0.20 | 0.03-0.015 0.05-0.20 | |
| Copper alloys | Brass | 27 | 90 | GF DT | 80-160 100-200 | 0.03-0.15 0.05-0.20 | 0.03-0.015 0.05-0.20 | |
| Electrolitic copper | 28 | 100 | GF DT | 80-160 100-200 | 0.03-0.15 0.05-0.20 | 0.03-0.015 0.05-0.20 | ||
| Fe base | Annealed | 31 | 200 | GF DT | 50-100 60-100 | 0.03-0.06 0.05-0.10 | 0.03-0.06 0.05-0.10 | |
| Hardened | 32 | 280 | GF | 50-100 | 0.03-0.06 | 0.03-0.06 | ||
| DT | 60-100 | 0.05-0.10 | 0.05-0.10 | |||||
| High temp. alloys | Annealed | 33 | 250 | GF DT | 20-50 20-50 | 0.03-0.06 0.04-0.08 | 0.03-0.08 0.04-0.10 | |
| S Ni / Co base | Hardened | 34 | 350 | GF DT | 20-50 20-50 | 0.03-0.06 0.04-0.08 | 0.03-0.08 0.04-0.10 | |
| Cast | 35 | 320 | GF DT | 20-50 20-50 | 0.03-0.06 0.04-0.08 | 0.03-0.08 0.04-0.10 | ||
| Titanium alloys | Pure | 400 | 36 | GF DT | 30-60 30-60 | 0.03-0.10 0.05-0.13 | 0.03-0.12 0.05-0.15 | |
| Alpha+beta alloys hardened | 1050 | 37 | GF DT | 30-60 30-60 | 0.03-0.10 0.05-0.13 | 0.03-0.12 0.05-0.15 | ||
| H Hardened steel ≥ 40HRC | Hardened | 38 | GF DT | 40-100 50-100 | 0.03-0.08 0.04-0.08 | 0.03-0.08 0.04-0.10 |
(1) For material groups see pages 495-524