DIN 938/DIN 939/DIN 835/DIN 940 Studs with a Length of Engagement Equal to about 1d/1.2 5d/2d/2.5d   d M 3 M 4 M 5 M 6 M 8 M 10 M 12 M14 M 16 M18 M20 M22 M24 b2 (l ≤ 125) 12 14 16 18 22 26 30 34 38 42 46 50 54 b2 (125<l ≤ 200) 18 20 22 24 28 32 36 40 44 48 52 56 60 b2 (l>200)           45 49 53 57 61 65 69 73 b1 DIN938 3 4 5 6 8 10 12 14 16 18 20 22 24 b1 DIN939   5 6.5 7.5 10 12 15 18 20 22 25 28 30 b1 DIN835   8 10 12 16 20 24 28 32 36 40 44 48 b1 DIN940   10 13 15 20 25 30 35 40 45 50 55 60 x1 1.25 1.75 2 2.5 3.2 3.8 4.3 5 5 6.3 6.3 6.3 7.5 x2* 0.7 0.9 1 1.25 1.6 1.9 2.2 2.5 2.5 3.2 3.2 3.2 3.8   d M 27 M 30 M 33 M 36 M39 M42 M45 M48 M52 b2 (l ≤ 125) 60 66 72 78 84 90 96 102 110 b2 (125<l ≤ 200) 66 72 78 84 90 96 102 108 116 b2 (l>200) 79 85 91 97 103 109 115 121 129 b1 DIN938 25 30 32 35 38 42 45 48 52 b1 DIN939 35 38 42 45 50 52 58 60 65 b1 DIN835                   b1 DIN940                   x1 7.5 9 9 10 10 11 11 12.5 12.5 x2* 3.8 4.5 4.5 5 5 5.5 5.5 6.3 6.3

X2=X1 FRO DIN 835 AND DIN 940