Dimensions mm · values as the standard states them Size P e m k h r d2 d3 d4 mass M8 1.25 8.5
10
8
36
4
20
36
20
0.05
M10 1.5 10
12
10
45
4
25
45
25
0.09
M12 1.75 11
14
12
53
6
30
54
30
0.16
M16 2 13
16
14
62
6
35
63
35
0.24
M20 2.5 16
19
16
71
8
40
72
40
0.36
M24 3 20
24
20
90
12
50
90
50
0.72
M30 3.5 25
28
24
109
15
65
108
60
1.32
M36 4 30
32
28
128
18
75
126
70
2.08
M42 4.5 35
38
32
147
20
85
144
80
3.11
M48 5 40
46
38
168
22
100
166
90
5.02
M56 5.5 45
50
42
187
25
110
184
100
6.69
M64 6 50
58
48
208
25
120
206
110
9.3
M72x6 6 60
72
60
260
35
150
260
140
18.5
M80x6 6 70
80
68
298
35
170
296
160
27.3
M100x6 6 80
88
75
330
40
190
330
180
36.4
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 582
M8
e width across corners 8.5
m nut height 10
k eye width 8
h height of the nut 36
r radius 4
d2 external diameter of the nut 20
d3 the outer diameter of the eye 36
d4 diameter of the eye 20
mass mass per 1000 pieces (kg) 0.05 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 582
M10
e width across corners 10
m nut height 12
k eye width 10
h height of the nut 45
r radius 4
d2 external diameter of the nut 25
d3 the outer diameter of the eye 45
d4 diameter of the eye 25
mass mass per 1000 pieces (kg) 0.09 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 582
M12
e width across corners 11
m nut height 14
k eye width 12
h height of the nut 53
r radius 6
d2 external diameter of the nut 30
d3 the outer diameter of the eye 54
d4 diameter of the eye 30
mass mass per 1000 pieces (kg) 0.16 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 582
M16
e width across corners 13
m nut height 16
k eye width 14
h height of the nut 62
r radius 6
d2 external diameter of the nut 35
d3 the outer diameter of the eye 63
d4 diameter of the eye 35
mass mass per 1000 pieces (kg) 0.24 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 582
M20
e width across corners 16
m nut height 19
k eye width 16
h height of the nut 71
r radius 8
d2 external diameter of the nut 40
d3 the outer diameter of the eye 72
d4 diameter of the eye 40
mass mass per 1000 pieces (kg) 0.36 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 582
M24
e width across corners 20
m nut height 24
k eye width 20
h height of the nut 90
r radius 12
d2 external diameter of the nut 50
d3 the outer diameter of the eye 90
d4 diameter of the eye 50
mass mass per 1000 pieces (kg) 0.72 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 582
M30
e width across corners 25
m nut height 28
k eye width 24
h height of the nut 109
r radius 15
d2 external diameter of the nut 65
d3 the outer diameter of the eye 108
d4 diameter of the eye 60
mass mass per 1000 pieces (kg) 1.32 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 582
M36
e width across corners 30
m nut height 32
k eye width 28
h height of the nut 128
r radius 18
d2 external diameter of the nut 75
d3 the outer diameter of the eye 126
d4 diameter of the eye 70
mass mass per 1000 pieces (kg) 2.08 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 582
M42
e width across corners 35
m nut height 38
k eye width 32
h height of the nut 147
r radius 20
d2 external diameter of the nut 85
d3 the outer diameter of the eye 144
d4 diameter of the eye 80
mass mass per 1000 pieces (kg) 3.11 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 582
M48
e width across corners 40
m nut height 46
k eye width 38
h height of the nut 168
r radius 22
d2 external diameter of the nut 100
d3 the outer diameter of the eye 166
d4 diameter of the eye 90
mass mass per 1000 pieces (kg) 5.02 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 582
M56
e width across corners 45
m nut height 50
k eye width 42
h height of the nut 187
r radius 25
d2 external diameter of the nut 110
d3 the outer diameter of the eye 184
d4 diameter of the eye 100
mass mass per 1000 pieces (kg) 6.69 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 582
M64
e width across corners 50
m nut height 58
k eye width 48
h height of the nut 208
r radius 25
d2 external diameter of the nut 120
d3 the outer diameter of the eye 206
d4 diameter of the eye 110
mass mass per 1000 pieces (kg) 9.3 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 582
M72x6
e width across corners 60
m nut height 72
k eye width 60
h height of the nut 260
r radius 35
d2 external diameter of the nut 150
d3 the outer diameter of the eye 260
d4 diameter of the eye 140
mass mass per 1000 pieces (kg) 18.5 Size sheet · DIN 582
M80x6
e width across corners 70
m nut height 80
k eye width 68
h height of the nut 298
r radius 35
d2 external diameter of the nut 170
d3 the outer diameter of the eye 296
d4 diameter of the eye 160
mass mass per 1000 pieces (kg) 27.3 Size sheet · DIN 582
M100x6
e width across corners 80
m nut height 88
k eye width 75
h height of the nut 330
r radius 40
d2 external diameter of the nut 190
d3 the outer diameter of the eye 330
d4 diameter of the eye 180
mass mass per 1000 pieces (kg) 36.4 Provenance
Draft — values taken from a single source and not yet cross-checked.
fasteners.eu dimensions, lengths, materials, property classes, current norm, equivalent norms Otto Roth status Accessed 2026-09-23 · For design and safety-critical use, consult the current edition of the standard.