Schlüsselweiten aller Muttern Normen
| Gewindegröße | DIN – Norm | ISO – Norm | DIN – EN 14399 |
| M1 | 2,5 mm | 2,5 mm | / |
| M1,2 | 3,0 mm | 3,0 mm | / |
| M1,4 | 3,0 mm | 3,0 mm | / |
| M1,7 | 3,2 mm | 3,2 mm | / |
| M2 | 4,0 mm | 4,0 mm | / |
| M2,5 | 5,0 mm | 5,0 mm | / |
| M3 | 5,5 mm | 5,5 mm | / |
| M3,5 | 6,0 mm | 6,0 mm | / |
| M4 | 7 mm | 7 mm | / |
| M5 | 8 mm | 8 mm | / |
| M6 | 10 mm | 10 mm | / |
| M7 | 11 mm | 11 mm | / |
| M8 | 13 mm | 13 mm | / |
| M10 | 17 mm | 16 mm | / |
| M12 | 19 mm | 18 mm | 22 mm |
| M14 | 22 mm | 21 mm | / |
| M16 | 24 mm | 24 mm | 27 mm |
| M18 | 27 mm | 27 mm | / |
| M20 | 30 mm | 30 mm | 32 mm |
| M22 | 32 mm | 34 mm | 36 mm |
| M24 | 36 mm | 36 mm | 41 mm |
| M27 | 41 mm | 41 mm | 46 mm |
| M30 | 46 mm | 46 mm | 50 mm |
| M33 | 50 mm | 50 mm | / |
| M36 | 55 mm | 55 mm | 60 mm |
| M39 | 60 mm | 60 mm | / |
| M42 | 65 mm | 65 mm | / |
| M45 | 70 mm | 70 mm | / |
| M48 | 75 mm | 75 mm | / |
| M52 | 80 mm | 80 mm | / |
| M56 | 85 mm | 85 mm | / |
| M60 | 90 mm | 90 mm | / |
| M64 | 95 mm | 95 mm | / |
| M68 | 100 mm | 100 mm | / |
| M72 | 105 mm | 105 mm | / |
| M76 | 110 mm | 110 mm | / |
| M80 | 115 mm | 115 mm | / |
| M85 | 120 mm | 120 mm | / |
| M90 | 130 mm | 130 mm | / |
| M95 | 135 mm | 135 mm | / |
| M100 | 145 mm | 145 mm | / |
Gewindeabmessung
Metrisches ISO
| Gewinde | Aussen-DM (mm) | Steigung (mm) | Flanken-DM (mm) | Kern-DM Bolzen (mm) | Kern-DM Mutter (mm) | Gewindetiefe Bolzen (mm) | Gewindetiefe Mutter (mm) | Kernloch- bohrer (mm) | Sechskant SW (mm) |
| M 1 | 1,0 | 0,25 | 0,84 | 0,69 | 0,73 | 0,15 | 0,14 | 0,75 | — |
| M 1,2 | 1,2 | 0,25 | 1,04 | 0,89 | 0,93 | 0,15 | 0,14 | 0,95 | — |
| M 1,6 | 1,6 | 0,35 | 1,37 | 1,17 | 1,22 | 0,21 | 0,19 | 1,25 | 3,0 |
| M 2 | 2,0 | 0,40 | 1,74 | 1,51 | 1,57 | 0,25 | 0,22 | 1,60 | 4,0 |
| M 2,5 | 2,5 | 0,45 | 2,21 | 1,95 | 2,01 | 0,28 | 0,24 | 2,05 | 5,0 |
| M 3 | 3,0 | 0,50 | 2,68 | 2,39 | 2,46 | 0,31 | 0,27 | 2,50 | 5,5 |
| M 4 | 4,0 | 0,70 | 3,55 | 3,14 | 3,24 | 0,43 | 0,38 | 3,30 | 7,0 |
| M 5 | 5,0 | 0,80 | 4,48 | 4,02 | 4,13 | 0,49 | 0,43 | 4,20 | 8,0 |
| M 6 | 6,0 | 1,00 | 5,35 | 4,77 | 4,92 | 0,61 | 0,54 | 5,00 | 10 |
| M 8 | 8,0 | 1,25 | 7,19 | 6,47 | 6,65 | 0,77 | 0,68 | 6,75 | 13 |
| M 10 | 10 | 1,50 | 9,03 | 8,16 | 8,38 | 0,92 | 0,81 | 8,50 | 16 |
| M 12 | 12 | 1,75 | 10,86 | 9,85 | 10,11 | 1,07 | 0,95 | 10,25 | 18 |
| M 16 | 16 | 2,00 | 14,70 | 13,55 | 13,84 | 1,23 | 1,08 | 14,00 | 24 |
| M 20 | 20 | 2,50 | 18,38 | 16,93 | 17,29 | 1,53 | 1,35 | 17,50 | 30 |
| M 24 | 24 | 3,00 | 22,05 | 20,32 | 20,75 | 1,84 | 1,62 | 21,00 | 36 |
| M 30 | 30 | 3,50 | 27,73 | 25,71 | 26,21 | 2,15 | 1,89 | 26,50 | 46 |
| M 36 | 36 | 4,00 | 33,40 | 31,09 | 31,67 | 2,45 | 2,17 | 32,00 | 55 |
| M 42 | 42 | 4,50 | 39,08 | 36,48 | 37,13 | 2,76 | 2,44 | 37,50 | 65 |
| M 48 | 48 | 5,00 | 44,75 | 41,87 | 42,59 | 3,07 | 2,71 | 43,00 | 75 |
| M 56 | 56 | 5,50 | 52,43 | 49,25 | 50,05 | 3,37 | 2,98 | 50,50 | 85 |
| M 64 | 64 | 6,00 | 60,10 | 56,64 | 57,51 | 3,68 | 3,25 | 58,00 | 95 |
