Dimensions mm · values as the standard states them Size P s e m dw da n de m´ split_pin thread_alt w M4 0.7 7
6.78 – 7
≥ 7.66
5
4.7 – 5
≥ 5.8
4 – 4.6
1.2 – 1.45
—
≥ 2.3
1x10
—
2.9 – 3.2
M5 0.8 8
7.78 – 8
≥ 8.79
6
5.7 – 6
≥ 6.8
5 – 5.75
1.4 – 1.65
—
≥ 3
1,2x12
—
3.7 – 4
M6 1 10
9.78 – 10
≥ 11.05
7.5
7.14 – 7.5
≥ 8.8
6 – 6.75
2 – 2.25
—
≥ 3.8
1,6x14
—
4.7 – 5
(M7) 1 11
10.73 – 11
≥ 12.12
8
7.64 – 8
≥ 9.5
7 – 7.75
2 – 2.25
—
≥ 4.2
1,6x14
—
5.2 – 5.5
M8 1.25 13
12.73 – 13
≥ 14.38
9.5
9.14 – 9.5
≥ 11.3
8 – 8.75
2.5 – 2.75
—
≥ 4.9
2x16
M8x1
6.14 – 6.5
M10 1.5 17
16.73 – 17
≥ 18.9
12
11.57 – 12
≥ 15.3
10 – 10.8
2.8 – 3.05
—
≥ 6.1
2,5x20
M10x1,25
7.64 – 8
M12 1.75 19
18.67 – 19
≥ 21.1
15
14.57 – 15
≥ 17.2
12 – 13
3.5 – 3.8
16.57 – 17
≥ 7.7
3,2x22
M12x1,25
9.64 – 10
(M14) 2 22
21.67 – 22
≥ 24.49
16
15.57 – 16
≥ 20.2
14 – 15.1
3.5 – 3.8
18.48 – 19
≥ 8.2
3,2x25
(M14x1,5)
10.57 – 11
M16 2 24
23.67 – 24
≥ 26.75
19
18.48 – 19
≥ 22.2
16 – 17.3
4.5 – 4.8
21.48 – 22
≥ 9.8
4x28
M16x1,5
12.57 – 13
(M18) 2.5 27
26.16 – 27
≥ 29.56
21
20.16 – 21
≥ 24.8
18 – 19.5
4.5 – 4.8
24.3 – 25
≥ 11.2
4x32
(M18x2)
14.57 – 15
M20 2.5 30
29.16 – 30
≥ 32.95
22
21.16 – 22
≥ 27.7
20 – 21.6
4.5 – 4.8
27.3 – 28
≥ 11.9
4.36
M20x1,5
15.57 – 16
(M22) 2.5 34
33 – 34
≥ 37.29
26
25.16 – 26
≥ 31.3
22 – 23.8
5.5 – 5.8
31 – 32
≥ 13.5
5x36
M22x2)
17.57 – 18
M24 3 36
35 – 36
≥ 39.55
27
26.16 – 27
≥ 33.2
24 – 25.9
5.5 – 5.8
33 – 34
≥ 14.2
5x40
M24x2
18.48 – 19
(M27) 3 41
40 – 41
≥ 45.2
30
29.16 – 30
≥ 38
27 – 29.2
5.5 – 5.8
37 – 38
≥ 16.6
5x45
(M27x2)
21.48 – 22
M30 3.5 46
45 – 46
≥ 50.85
33
32 – 33
≥ 42.7
30 – 32.4
7 – 7.36
41 – 42
≥ 18.2
6,3x50
M30x2
23.48 – 24
(M33) 3.5 50
49 – 50
≥ 55.37
35
34 – 35
≥ 46.6
33 – 35.6
7 – 7.36
45 – 46
≥ 19.8
6,3x56
(M33x2)
25.48 – 26
M36 4 55
53.8 – 55
≥ 60.79
38
37 – 38
≥ 51.1
36 – 38.9
7 – 7.36
49 – 50
≥ 21.9
6,3x63
M36x3
28.48 – 29
(M39) 4 60
58.8 – 60
≥ 66.44
40
39 – 40
≥ 55.9
39 – 42.1
7 – 7.36
53.8 – 55
≥ 23.5
6,3x71
(M39x3)
30.28 – 31
M42 4.5 65
63.1 – 65
≥ 71.3
46
45 – 46
≥ 60.6
42 – 45.4
9 – 9.36
56.8 – 58
≥ 25.9
8x71
M42x3
33.38 – 34
(M45) 4.5 70
68.1 – 70
≥ 76.95
48
47 – 48
≥ 64.7
45 – 48.6
9 – 9.36
60.8 – 62
≥ 27.5
8x80
(M45x3)
35.38 – 36
M48 5 75
73.1 – 75
≥ 82.6
50
49 – 50
≥ 69.4
48 – 51.8
9 – 9.36
63.8 – 65
≥ 29.1
8x80
M48x3
37.38 – 38
(M52) 5 80
78.1 – 80
≥ 88.25
54
52.8 – 54
≥ 74.2
52 – 56.2
9 – 9.36
68.8 – 70
≥ 32.3
8x90
(M52x3)
41.38 – 42
M56 5.5 85
82.8 – 85
≥ 93.56
57
55.8 – 57
≥ 78.7
56 – 61
9 – 9.36
73.8 – 75
≥ 34.7
8x100
M56x4
44.38 – 45
(M60) 5.5 90
87.8 – 90
≥ 99.21
63
61.8 – 63
≥ 83.4
60 – 64.8
11 – 11.43
78.8 – 80
≥ 37.1
10x100
(M60x4)
47.38 – 48
M64 6 95
92.8 – 95
≥ 104.86
66
64.8 – 66
≥ 88.2
64 – 69.1
11 – 11.43
83.6 – 85
≥ 39.3
10x100
M64x4
50.26 – 51
(M68) 100
97.8 – 100
≥ 110.51
69
67.8 – 69
≥ 92.9
68 – 73.4
11 – 11.43
88.6 – 90
≥ 41.7
10x112
(M68x4)
53.26 – 54
M72x6 6 105
102.8 – 105
≥ 116.16
73
71.8 – 73
≥ 97.7
72 – 77.8
11 – 11.43
93.6 – 95
≥ 44.9
10x112
M72x4
57.26 – 58
(M76x6) 6 110
107.8 – 110
≥ 121.81
76
74.8 – 76
≥ 102.4
76 – 82.1
11 – 11.43
98.6 – 100
≥ 47.3
10x125
(M76x4)
60.26 – 61
M80x6 6 115
112.8 – 115
≥ 127.46
79
77.8 – 79
≥ 107.2
80 – 86.4
11 – 11.43
103.6 – 105
≥ 49.7
10x140
M80x4
63.26 – 64
(M85x6) 6 120
117.8 – 120
≥ 133.11
88
86.6 – 88
≥ 111.9
85 – 91.8
14 – 14.43
108.6 – 110
≥ 52.9
13x140
(M85x4)
67.26 – 68
M90x6 6 130
127.5 – 130
≥ 144.08
92
90.6 – 92
≥ 121.1
90 – 97.2
14 – 14.43
118.6 – 120
≥ 56.1
13x140
M90x4
71.26 – 72
M100x6 6 145
142.5 – 145
≥ 161.02
100
98.6 – 100
≥ 135.4
100 – 108
14 – 14.43
128.4 – 130
≥ 62.5
13x160
M100x4
79.26 – 80
Ranges read min – max; ≤ / ≥ where the standard gives one limit, ≈ for approximate values. Sizes in (brackets) are non-preferred. Select a row for its size sheet.
Size sheet · DIN 935
M4
s width across flats 7
e width across corners ≥ 7.66
m height of the nut 5
dw bearing face diameter ≥ 5.8
da transition diameter 4 – 4.6
n groove width 1.2 – 1.45
m´ ≥ 2.3
split_pin 1x10
w 2.9 – 3.2 Thread · ISO 261/262
Pitch P 0.7
d2 3.545
d3 3.141
Tap drill 3.3
Stress area As 8.78 mm² Size sheet · DIN 935
M5
s width across flats 8
e width across corners ≥ 8.79
m height of the nut 6
dw bearing face diameter ≥ 6.8
da transition diameter 5 – 5.75
n groove width 1.4 – 1.65
m´ ≥ 3
split_pin 1,2x12
w 3.7 – 4 Thread · ISO 261/262
Pitch P 0.8
d2 4.48
d3 4.019
Tap drill 4.2
Stress area As 14.18 mm² Size sheet · DIN 935
M6
s width across flats 10
e width across corners ≥ 11.05
m height of the nut 7.5
dw bearing face diameter ≥ 8.8
da transition diameter 6 – 6.75
n groove width 2 – 2.25
m´ ≥ 3.8
split_pin 1,6x14
w 4.7 – 5 Thread · ISO 261/262
Pitch P 1
d2 5.35
d3 4.773
Tap drill 5
Stress area As 20.12 mm² Size sheet · DIN 935
M7
s width across flats 11
e width across corners ≥ 12.12
m height of the nut 8
dw bearing face diameter ≥ 9.5
da transition diameter 7 – 7.75
n groove width 2 – 2.25
m´ ≥ 4.2
split_pin 1,6x14
w 5.2 – 5.5 Thread · ISO 261/262
Pitch P 1
d2 6.35
d3 5.773
Tap drill 6
Stress area As 28.86 mm² Size sheet · DIN 935
M8
s width across flats 13
e width across corners ≥ 14.38
m height of the nut 9.5
dw bearing face diameter ≥ 11.3
da transition diameter 8 – 8.75
n groove width 2.5 – 2.75
m´ ≥ 4.9
split_pin 2x16
thread_alt alternative / fine thread M8x1
w 6.14 – 6.5 Thread · ISO 261/262
Pitch P 1.25
d2 7.188
d3 6.466
Tap drill 6.75
Stress area As 36.61 mm² Size sheet · DIN 935
M10
s width across flats 17
e width across corners ≥ 18.9
m height of the nut 12
dw bearing face diameter ≥ 15.3
da transition diameter 10 – 10.8
n groove width 2.8 – 3.05
m´ ≥ 6.1
split_pin 2,5x20
thread_alt alternative / fine thread M10x1,25
w 7.64 – 8 Thread · ISO 261/262
Pitch P 1.5
d2 9.026
d3 8.16
Tap drill 8.5
Stress area As 57.99 mm² Size sheet · DIN 935
M12
s width across flats 19
e width across corners ≥ 21.1
m height of the nut 15
dw bearing face diameter ≥ 17.2
da transition diameter 12 – 13
n groove width 3.5 – 3.8
de diameter of the crown 16.57 – 17
m´ ≥ 7.7
split_pin 3,2x22
thread_alt alternative / fine thread M12x1,25
w 9.64 – 10 Thread · ISO 261/262
Pitch P 1.75
d2 10.863
d3 9.853
Tap drill 10.25
Stress area As 84.27 mm² Size sheet · DIN 935
M14
s width across flats 22
e width across corners ≥ 24.49
m height of the nut 16
dw bearing face diameter ≥ 20.2
da transition diameter 14 – 15.1
n groove width 3.5 – 3.8
de diameter of the crown 18.48 – 19
m´ ≥ 8.2
split_pin 3,2x25
thread_alt alternative / fine thread (M14x1,5)
w 10.57 – 11 Thread · ISO 261/262
Pitch P 2
d2 12.701
d3 11.546
Tap drill 12
Stress area As 115.44 mm² Size sheet · DIN 935
M16
s width across flats 24
e width across corners ≥ 26.75
m height of the nut 19
dw bearing face diameter ≥ 22.2
da transition diameter 16 – 17.3
n groove width 4.5 – 4.8
de diameter of the crown 21.48 – 22
m´ ≥ 9.8
split_pin 4x28
thread_alt alternative / fine thread M16x1,5
w 12.57 – 13 Thread · ISO 261/262
Pitch P 2
d2 14.701
d3 13.546
Tap drill 14
Stress area As 156.67 mm² Size sheet · DIN 935
M18
s width across flats 27
e width across corners ≥ 29.56
m height of the nut 21
dw bearing face diameter ≥ 24.8
da transition diameter 18 – 19.5
n groove width 4.5 – 4.8
de diameter of the crown 24.3 – 25
m´ ≥ 11.2
split_pin 4x32
thread_alt alternative / fine thread (M18x2)
w 14.57 – 15 Thread · ISO 261/262
Pitch P 2.5
d2 16.376
d3 14.933
Tap drill 15.5
Stress area As 192.47 mm² Size sheet · DIN 935
M20
s width across flats 30
e width across corners ≥ 32.95
m height of the nut 22
dw bearing face diameter ≥ 27.7
da transition diameter 20 – 21.6
n groove width 4.5 – 4.8
de diameter of the crown 27.3 – 28
m´ ≥ 11.9
split_pin 4.36
thread_alt alternative / fine thread M20x1,5
w 15.57 – 16 Thread · ISO 261/262
Pitch P 2.5
d2 18.376
d3 16.933
Tap drill 17.5
Stress area As 244.79 mm² Size sheet · DIN 935
M22
s width across flats 34
e width across corners ≥ 37.29
m height of the nut 26
dw bearing face diameter ≥ 31.3
da transition diameter 22 – 23.8
n groove width 5.5 – 5.8
de diameter of the crown 31 – 32
m´ ≥ 13.5
split_pin 5x36
thread_alt alternative / fine thread M22x2)
w 17.57 – 18 Thread · ISO 261/262
Pitch P 2.5
d2 20.376
d3 18.933
Tap drill 19.5
Stress area As 303.4 mm² Size sheet · DIN 935
M24
s width across flats 36
e width across corners ≥ 39.55
m height of the nut 27
dw bearing face diameter ≥ 33.2
da transition diameter 24 – 25.9
n groove width 5.5 – 5.8
de diameter of the crown 33 – 34
m´ ≥ 14.2
split_pin 5x40
thread_alt alternative / fine thread M24x2
w 18.48 – 19 Thread · ISO 261/262
Pitch P 3
d2 22.051
d3 20.319
Tap drill 21
Stress area As 352.5 mm² Size sheet · DIN 935
M27
s width across flats 41
e width across corners ≥ 45.2
m height of the nut 30
dw bearing face diameter ≥ 38
da transition diameter 27 – 29.2
n groove width 5.5 – 5.8
de diameter of the crown 37 – 38
m´ ≥ 16.6
split_pin 5x45
thread_alt alternative / fine thread (M27x2)
w 21.48 – 22 Thread · ISO 261/262
Pitch P 3
d2 25.051
d3 23.319
Tap drill 24
Stress area As 459.41 mm² Size sheet · DIN 935
M30
s width across flats 46
e width across corners ≥ 50.85
m height of the nut 33
dw bearing face diameter ≥ 42.7
da transition diameter 30 – 32.4
n groove width 7 – 7.36
de diameter of the crown 41 – 42
m´ ≥ 18.2
split_pin 6,3x50
thread_alt alternative / fine thread M30x2
w 23.48 – 24 Thread · ISO 261/262
Pitch P 3.5
d2 27.727
d3 25.706
Tap drill 26.5
Stress area As 560.59 mm² Size sheet · DIN 935
M33
s width across flats 50
e width across corners ≥ 55.37
m height of the nut 35
dw bearing face diameter ≥ 46.6
da transition diameter 33 – 35.6
n groove width 7 – 7.36
de diameter of the crown 45 – 46
m´ ≥ 19.8
split_pin 6,3x56
thread_alt alternative / fine thread (M33x2)
w 25.48 – 26 Thread · ISO 261/262
Pitch P 3.5
d2 30.727
d3 28.706
Tap drill 29.5
Stress area As 693.55 mm² Size sheet · DIN 935
M36
s width across flats 55
e width across corners ≥ 60.79
m height of the nut 38
dw bearing face diameter ≥ 51.1
da transition diameter 36 – 38.9
n groove width 7 – 7.36
de diameter of the crown 49 – 50
m´ ≥ 21.9
split_pin 6,3x63
thread_alt alternative / fine thread M36x3
w 28.48 – 29 Thread · ISO 261/262
Pitch P 4
d2 33.402
d3 31.093
Tap drill 32
Stress area As 816.72 mm² Size sheet · DIN 935
M39
s width across flats 60
e width across corners ≥ 66.44
m height of the nut 40
dw bearing face diameter ≥ 55.9
da transition diameter 39 – 42.1
n groove width 7 – 7.36
de diameter of the crown 53.8 – 55
m´ ≥ 23.5
split_pin 6,3x71
thread_alt alternative / fine thread (M39x3)
w 30.28 – 31 Thread · ISO 261/262
Pitch P 4
d2 36.402
d3 34.093
Tap drill 35
Stress area As 975.75 mm² Size sheet · DIN 935
M42
s width across flats 65
e width across corners ≥ 71.3
m height of the nut 46
dw bearing face diameter ≥ 60.6
da transition diameter 42 – 45.4
n groove width 9 – 9.36
de diameter of the crown 56.8 – 58
m´ ≥ 25.9
split_pin 8x71
thread_alt alternative / fine thread M42x3
w 33.38 – 34 Thread · ISO 261/262
Pitch P 4.5
d2 39.077
d3 36.479
Tap drill 37.5
Stress area As 1120.91 mm² Size sheet · DIN 935
M45
s width across flats 70
e width across corners ≥ 76.95
m height of the nut 48
dw bearing face diameter ≥ 64.7
da transition diameter 45 – 48.6
n groove width 9 – 9.36
de diameter of the crown 60.8 – 62
m´ ≥ 27.5
split_pin 8x80
thread_alt alternative / fine thread (M45x3)
w 35.38 – 36 Thread · ISO 261/262
Pitch P 4.5
d2 42.077
d3 39.479
Tap drill 40.5
Stress area As 1306 mm² Size sheet · DIN 935
M48
s width across flats 75
e width across corners ≥ 82.6
m height of the nut 50
dw bearing face diameter ≥ 69.4
da transition diameter 48 – 51.8
n groove width 9 – 9.36
de diameter of the crown 63.8 – 65
m´ ≥ 29.1
split_pin 8x80
thread_alt alternative / fine thread M48x3
w 37.38 – 38 Thread · ISO 261/262
Pitch P 5
d2 44.752
d3 41.866
Tap drill 43
Stress area As 1473.15 mm² Size sheet · DIN 935
M52
s width across flats 80
e width across corners ≥ 88.25
m height of the nut 54
dw bearing face diameter ≥ 74.2
da transition diameter 52 – 56.2
n groove width 9 – 9.36
de diameter of the crown 68.8 – 70
m´ ≥ 32.3
split_pin 8x90
thread_alt alternative / fine thread (M52x3)
w 41.38 – 42 Thread · ISO 261/262
Pitch P 5
d2 48.752
d3 45.866
Tap drill 47
Stress area As 1757.83 mm² Size sheet · DIN 935
M56
s width across flats 85
e width across corners ≥ 93.56
m height of the nut 57
dw bearing face diameter ≥ 78.7
da transition diameter 56 – 61
n groove width 9 – 9.36
de diameter of the crown 73.8 – 75
m´ ≥ 34.7
split_pin 8x100
thread_alt alternative / fine thread M56x4
w 44.38 – 45 Thread · ISO 261/262
Pitch P 5.5
d2 52.428
d3 49.252
Tap drill 50.5
Stress area As 2030.02 mm² Size sheet · DIN 935
M60
s width across flats 90
e width across corners ≥ 99.21
m height of the nut 63
dw bearing face diameter ≥ 83.4
da transition diameter 60 – 64.8
n groove width 11 – 11.43
de diameter of the crown 78.8 – 80
m´ ≥ 37.1
split_pin 10x100
thread_alt alternative / fine thread (M60x4)
w 47.38 – 48 Thread · ISO 261/262
Pitch P 5.5
d2 56.428
d3 53.252
Tap drill 54.5
Stress area As 2362.02 mm² Size sheet · DIN 935
M64
s width across flats 95
e width across corners ≥ 104.86
m height of the nut 66
dw bearing face diameter ≥ 88.2
da transition diameter 64 – 69.1
n groove width 11 – 11.43
de diameter of the crown 83.6 – 85
m´ ≥ 39.3
split_pin 10x100
thread_alt alternative / fine thread M64x4
w 50.26 – 51 Thread · ISO 261/262
Pitch P 6
d2 60.103
d3 56.639
Tap drill 58
Stress area As 2675.97 mm² Size sheet · DIN 935
M68
s width across flats 100
e width across corners ≥ 110.51
m height of the nut 69
dw bearing face diameter ≥ 92.9
da transition diameter 68 – 73.4
n groove width 11 – 11.43
de diameter of the crown 88.6 – 90
m´ ≥ 41.7
split_pin 10x112
thread_alt alternative / fine thread (M68x4)
w 53.26 – 54 Size sheet · DIN 935
M72x6
s width across flats 105
e width across corners ≥ 116.16
m height of the nut 73
dw bearing face diameter ≥ 97.7
da transition diameter 72 – 77.8
n groove width 11 – 11.43
de diameter of the crown 93.6 – 95
m´ ≥ 44.9
split_pin 10x112
thread_alt alternative / fine thread M72x4
w 57.26 – 58 Size sheet · DIN 935
M76x6
s width across flats 110
e width across corners ≥ 121.81
m height of the nut 76
dw bearing face diameter ≥ 102.4
da transition diameter 76 – 82.1
n groove width 11 – 11.43
de diameter of the crown 98.6 – 100
m´ ≥ 47.3
split_pin 10x125
thread_alt alternative / fine thread (M76x4)
w 60.26 – 61 Size sheet · DIN 935
M80x6
s width across flats 115
e width across corners ≥ 127.46
m height of the nut 79
dw bearing face diameter ≥ 107.2
da transition diameter 80 – 86.4
n groove width 11 – 11.43
de diameter of the crown 103.6 – 105
m´ ≥ 49.7
split_pin 10x140
thread_alt alternative / fine thread M80x4
w 63.26 – 64 Size sheet · DIN 935
M85x6
s width across flats 120
e width across corners ≥ 133.11
m height of the nut 88
dw bearing face diameter ≥ 111.9
da transition diameter 85 – 91.8
n groove width 14 – 14.43
de diameter of the crown 108.6 – 110
m´ ≥ 52.9
split_pin 13x140
thread_alt alternative / fine thread (M85x4)
w 67.26 – 68 Size sheet · DIN 935
M90x6
s width across flats 130
e width across corners ≥ 144.08
m height of the nut 92
dw bearing face diameter ≥ 121.1
da transition diameter 90 – 97.2
n groove width 14 – 14.43
de diameter of the crown 118.6 – 120
m´ ≥ 56.1
split_pin 13x140
thread_alt alternative / fine thread M90x4
w 71.26 – 72 Size sheet · DIN 935
M100x6
s width across flats 145
e width across corners ≥ 161.02
m height of the nut 100
dw bearing face diameter ≥ 135.4
da transition diameter 100 – 108
n groove width 14 – 14.43
de diameter of the crown 128.4 – 130
m´ ≥ 62.5
split_pin 13x160
thread_alt alternative / fine thread M100x4
w 79.26 – 80 Provenance
Draft — values taken from a single source and not yet cross-checked.
fasteners.eu dimensions, lengths, materials, property classes, current norm, equivalent norms Accessed 2026-09-23 · For design and safety-critical use, consult the current edition of the standard.
Data notes (1) The source publishes one identical table for DIN 935, ISO 7035. Kept as the DIN table (the source lists the DIN as the current norm); equivalence with the ISO standard is not verified.