DIN 938 dimensions — Double End Stud, Metal End 1d
- Edition
- dimensions from the 2012-12 edition · current edition DIN 938:2025-08
- Equivalent
- DIN 939
- Differs
- from DIN 939: small details at 8 sizesFull comparison →
| Size | PThread pitch | bmMetal end thread length | bThread length | dsStud shank diameter | x1Thread runout x1 | x2Thread runout x2 | |||
|---|---|---|---|---|---|---|---|---|---|
| l ≤ 125 | 125 < l ≤ 200 | l > 200 | min | max | |||||
| M3 | 0.5 | 3 | 12 | 18 | – | 2.86 | 3 | 1.25 | 0.7 |
| M4 | 0.7 | 4 | 14 | 20 | – | 3.82 | 4 | 1.75 | 0.9 |
| M5 | 0.8 | 5 | 16 | 22 | – | 4.82 | 5 | 2 | 1 |
| M6 | 1 | 6 | 18 | 24 | – | 5.82 | 6 | 2.5 | 1.25 |
| M7 | 1 | 7 | 20 | 26 | – | 6.78 | 7 | 2.5 | 1.25 |
| M8 | 1.25 | 8 | 22 | 28 | – | 7.78 | 8 | 3.2 | 1.6 |
| M10 | 1.5 | 10 | 26 | 32 | 45 | 9.78 | 10 | 3.8 | 1.9 |
| M12 | 1.75 | 12 | 30 | 36 | 49 | 11.73 | 12 | 4.3 | 2.2 |
| M14 | 2 | 14 | 34 | 40 | 53 | 13.73 | 14 | 5 | 2.5 |
| M16 | 2 | 16 | 38 | 44 | 57 | 15.73 | 16 | 5 | 2.5 |
| M18 | 2.5 | 18 | 42 | 48 | 61 | 17.73 | 18 | 6.3 | 3.2 |
| M20 | 2.5 | 20 | 46 | 52 | 65 | 19.67 | 20 | 6.3 | 3.2 |
| M22 | 2.5 | 22 | 50 | 56 | 69 | 21.67 | 22 | 6.3 | 3.2 |
| M24 | 3 | 24 | 54 | 60 | 73 | 23.67 | 24 | 7.5 | 3.8 |
| M27 | 3 | 25 | 60 | 66 | 79 | 26.67 | 27 | 7.5 | 3.8 |
| M30 | 3.5 | 30 | 66 | 72 | 85 | 29.67 | 30 | 9 | 4.5 |
| M33 | 3.5 | 32 | 72 | 78 | 91 | 32.61 | 33 | 9 | 4.5 |
| M36 | 4 | 35 | 78 | 84 | 97 | 35.61 | 36 | 10 | 5 |
| M39 | 4 | 38 | 84 | 90 | 103 | – | 39 | 10 | 5 |
| M42 | 4.5 | 42 | 90 | 96 | 109 | 41.61 | 42 | 11 | 5.5 |
| M45 | 4.5 | 45 | 96 | 102 | 115 | 44.61 | 45 | 11 | 5.5 |
| M48 | 5 | 48 | 102 | 108 | 121 | 47.61 | 48 | 12.5 | 6.3 |
| M52 | 5 | 52 | 110 | 116 | 129 | 51.54 | 52 | 12.5 | 6.3 |
Dimensions from DIN 938:2012-12. The current edition is DIN 938:2025-08.