DIN 609

*All measurements in millimeters (mm)* 

d k e s b = to 50 b = to 150 b = to 200
M8 5.3 14.38 13 14.5 16.5 21.5
M10 6.4 17.77 16 17.5 19.5 24.5
M12 7.5 19.85 18 20.5 22.5 27.5
M14 8.8 22.78 21 22 24 29
M16 10 26.17 24 25 27 32
M20 12.5 32.95 30 28.5 30.5 35.5
M24 15 39.55 36 - 36.5 41.5
M30 19 50.85 46 - 43 48

  All information is strictly informative