Dimensions in mm – source DIN 7991 | |||||||||||
Publication date: 01/1986 – Replaces DIN 7991: 01/1970 edition | |||||||||||
d thread size | P | b (l<=125) | B (l>125<=200) | b (l>200) | dk max=nom | dk min | k max | α+2°0 | t max=nom | s nom | e min |
M 3 | 0.5 | 12 | – | – | 6 | 5.7 | 1.7 | 90° | 1.2 | 2 | 2.3 |
M 4 | 0.7 | 14 | – | – | 8 | 7.64 | 2.3 | 90° | 1.8 | 2.5 | 2.87 |
M 5 | 0.8 | 16 | – | – | 10 | 9.64 | 2.8 | 90° | 2.3 | 3 | 3.44 |
M 6 | 1 | 18 | 24 | – | 12 | 11.57 | 3.3 | 90° | 2.5 | 4 | 4.58 |
M 8 | 1.25 | 22 | 28 | – | 16 | 15.57 | 4.4 | 90° | 3.5 | 5 | 5.72 |
M 10 | 1.5 | 26 | 32 | 45 | 20 | 19.48 | 5.5 | 90° | 4.4 | 6 | 6.86 |
M 12 | 1.75 | 30 | 36 | 49 | 24 | 23.48 | 6.5 | 90° | 4.6 | 8 | 9.15 |
M 14 | 2 | 34 | 40 | 53 | 27 | 26.48 | 7 | 90° | 4.8 | 10 | 11.43 |
M 16 | 2 | 38 | 44 | 57 | 30 | 29.48 | 7.5 | 90° | 5.3 | 10 | 11.43 |
M 18 | 2.5 | 42 | 48 | 61 | 33 | 32.38 | 8 | 90° | 5.5 | 12 | 13.72 |
M 20 | 2.5 | 46 | 52 | 65 | 36 | 35.38 | 8.5 | 90° | 5.9 | 12 | 13.72 |
M 22 | 2.5 | 50 | 56 | 69 | 36 | 35.38 | 13.1 | 60° | 8.8 | 14 | 16 |
M 24 | 3 | 54 | 60 | 73 | 39 | 38.38 | 14 | 60° | 10.3 | 14 | 16 |