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„Here you will find the tables for the core hole diameters:“
Metric ISO thread DIN 13, T1
| thread | core hole drill Æ | slope | hexagonal key width | through hole for screws | nut height | |
| fine | medium | |||||
| M 1 | 0.75 | 0.25 | 1.1 | 1.2 | 0.8 | |
| M1.1 | 0.85 | 0.25 | 1.2 | 1.3 | 0.9 | |
| M1.2 | 0.95 | 0.25 | 1.3 | 1.4 | 1 | |
| M1.4 | 1.1 | 0.3 | 1.5 | 1.6 | 1.2 | |
| M1.6 | 1.3 | 0.35 | 3.2 | 1.7 | 1.8 | 1.3 |
| M1.8 | 1.5 | 0.35 | 3.2 | 1.9 | 2 | 1.4 |
| M2 | 1.6 | 0.4 | 4 | 2.2 | 2.4 | 1.6 |
| M2.2 | 1.8 | 0.45 | 4.5 | 2.4 | 2.6 | 1.8 |
| M2.5 | 2.1 | 0.45 | 5 | 2.7 | 2.9 | 2 |
| M3 | 2.5 | 0.5 | 5.5 | 3.2 | 3.4 | 2.4 |
| M3.5 | 2.9 | 0.6 | 6 | 3.7 | 3.9 | 2.8 |
| M4 | 3.3 | 0.7 | 7 | 4.3 | 4.5 | 3.2 |
| M5 | 4.2 | 0.8 | 8 | 5.3 | 5.5 | 4 |
| M6 | 5.0 | 1.0 | 10 | 6.4 | 6.6 | 5 |
| M8 | 6.8 | 1.25 | 13 | 8.4 | 9 | 6.5 |
| M10 | 8.5 | 1.5 | 17 | 10.5 | 11 | 8 |
| M12 | 10.2 | 1.75 | 19 | 13 | 14 | 9.5 |
| M14 | 12 | 2 | 22 | 15 | 16 | 11 |
| M16 | 14 | 2 | 24 | 17 | 18 | 13 |
| M18 | 15.5 | 2.5 | 27 | 19 | 20 | 15 |
| M20 | 17.5 | 2.5 | 30 | 21 | 22 | 16 |
| M22 | 19.5 | 2.5 | 32 | 23 | 24 | 17 |
| M24 | 21 | 3 | 36 | 25 | 26 | 18 |
| M27 | 24 | 3 | 41 | 28 | 30 | 20 |
| M30 | 26.5 | 3.5 | 46 | |||
| M4 | 3.3 | 0.7 | 7 | 4.3 | 4.5 | 3.2 |
| M5 | 4.2 | 0.8 | 8 | 5.3 | 5.5 | 4 |
| M6 | 5.0 | 1.0 | 10 | 6.4 | 6.6 | 5 |
| M8 | 6.8 | 1.25 | 13 | 8.4 | 9 | 6.5 |
| M10 | 8.5 | 1.5 | 17 | 10.5 | 11 | 8 |
| M12 | 10.2 | 1.75 | 19 | 13 | 14 | 9.5 |
| M14 | 12 | 2 | 22 | 15 | 16 | 11 |
| M16 | 14 | 2 | 24 | 17 | 18 | 13 |
| M18 | 15.5 | 2.5 | 27 | 19 | 20 | 15 |
| M20 | 17.5 | 2.5 | 30 | 21 | 22 | 16 |
| M22 | 19.5 | 2.5 | 32 | 23 | 24 | 17 |
| M24 | 21 | 3 | 36 | 25 | 26 | 18 |
| M27 | 24 | 3 | 41 | 28 | 30 | 20 |
| M30 | 26.5 | 3.5 | 46 | 31 | 33 | 22 |
| M36 | 32 | 4 | 55 | 37 | 39 | 28 |
| M42 | 37.5 | 4.5 | 65 | 43 | 45 | 32 |
| M48 | 43 | 5 | 75 | 50 | 52 | 38 |
| M56 | 50.5 | 5.5 | 85 | 38 | 62 | 44 |
| M64 | 58 | 6 | 95 | 66 | 70 | 50 |
Specifications without guarantee!
