DIN 912   

*All measurements in millimeters (mm)*

d b t min s k max d1
M2 16 1 1.5 2 3.8
M3 18 1.3 2.5 3 5.5
M4 20 2 3 4 7
M5 22 2.5 4 5 8.5
M6 24 3 5 6 10
M8 28 4 6 8 13
M10 32 5 8 10 16
M12 36 6 10 12 18
M14 40 7 12 14 21
M16 44 8 14 16 24
M18 48 9 14 18 27
M20 52 10 17 20 30
M24 60 12 19 24 36
M27 66 13.5 19 27 40
M30 75 15.5 22 30 45
M36 84 19 27 36 54

All information is strictly informative