Dimensions mm · values as the standard states them Size P d b eyes b hooks a L1 eyes L1 hooks M6 1 10
50
50
8
74
77
M8 1.25 11
52
60
10
80
98
M10 1.5 15
59
73
12.5
95
116.5
M12 1.75 17
66
90
16
107
146
M16 2 22
85
100
16
146
165
M20 2.5 24
100
105
18
170
180
M24 3 33
134
135
30
213
225
M30 3.5 39
150
140
30
255
255
M36 4 47
150
170
32
260
300
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 1480 EH
M6
d diameter of the eye 10
b length of thread (eyes) 50
b length of thread (hooks) 50
a opening Range 8
L1 length (eyes) 74
L1 length (hooks) 77 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 1480 EH
M8
d diameter of the eye 11
b length of thread (eyes) 52
b length of thread (hooks) 60
a opening Range 10
L1 length (eyes) 80
L1 length (hooks) 98 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 1480 EH
M10
d diameter of the eye 15
b length of thread (eyes) 59
b length of thread (hooks) 73
a opening Range 12.5
L1 length (eyes) 95
L1 length (hooks) 116.5 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 1480 EH
M12
d diameter of the eye 17
b length of thread (eyes) 66
b length of thread (hooks) 90
a opening Range 16
L1 length (eyes) 107
L1 length (hooks) 146 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 1480 EH
M16
d diameter of the eye 22
b length of thread (eyes) 85
b length of thread (hooks) 100
a opening Range 16
L1 length (eyes) 146
L1 length (hooks) 165 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 1480 EH
M20
d diameter of the eye 24
b length of thread (eyes) 100
b length of thread (hooks) 105
a opening Range 18
L1 length (eyes) 170
L1 length (hooks) 180 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 1480 EH
M24
d diameter of the eye 33
b length of thread (eyes) 134
b length of thread (hooks) 135
a opening Range 30
L1 length (eyes) 213
L1 length (hooks) 225 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 1480 EH
M30
d diameter of the eye 39
b length of thread (eyes) 150
b length of thread (hooks) 140
a opening Range 30
L1 length (eyes) 255
L1 length (hooks) 255 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 1480 EH
M36
d diameter of the eye 47
b length of thread (eyes) 150
b length of thread (hooks) 170
a opening Range 32
L1 length (eyes) 260
L1 length (hooks) 300 Thread · ISO 261/262
Pitch P 4
d2 33.402
d3 31.093
Tap drill 32
Stress area As 816.72 mm² 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.