Dimensions for DIN 940 Studs, with engagement length 2,5 x d

Thread d p ds b1 b2 x
max min l<125 125<l<200 l>200
M4 0.7 4 3.82 10 14 20 1.75
M5 0.8 5 4.82 12 16 22 2
M6 1 6 5.82 15 18 24 2.5
M7 1 7 6.78 18 20 26 2.5
M8 1.25 1 8 7.78 20 22 28 3.2
M10 1.5 1.25 10 9.78 25 26 32 3.8
M12 1.75 1.5/1.25 12 11.73 30 30 36 4.3
M14 2 1.5 14 13.73 35 34 40 5
M16 2 1.5 16 15.73 40 38 44 5
M18 2.5 1.5 18 17.73 45 42 48 6.3
M20 2.5 1.5 20 19.67 50 46 52 6.3
M22 2.5 1.5 22 21.67 55 50 56 6.3
M24 3 2 24 23.67 60 54 60 7.5