Dimensions mm · values as the standard states them Size P d d1 s f g M3 0.5 3.2
12
0.4
2.5
4.5
M4 0.7 4.3
14
0.4
2.5
5.5
M5 0.8 5.3
17
0.75
3.5
7
M6 1 6.4
19
0.75
3.5
7.5
M8 1.25 8.4
22
1
3.5
8.5
M10 1.5 10.5
26
1
4.5
10
M12 1.75 13
30
1.2
4.5
12
M14 2 15
33
1.2
4.5
13
M16 2 17
36
1.2
5.5
15
M20 2.5 21
42
1.6
6.5
18
M24 3 25
50
1.6
7.5
21
M30 3.5 31
63
1.6
8.5
25
M36 4 37
75
2
11
31
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 432
M3
d 3.2
d1 inside diameter 12
s 0.4
f width of the nose 2.5
g distance to the nose 4.5 Thread · ISO 261/262
Pitch P 0.5
d2 2.675
d3 2.387
Tap drill 2.5
Stress area As 5.03 mm² Size sheet · DIN 432
M4
d 4.3
d1 inside diameter 14
s 0.4
f width of the nose 2.5
g distance to the nose 5.5 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 432
M5
d 5.3
d1 inside diameter 17
s 0.75
f width of the nose 3.5
g distance to the nose 7 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 432
M6
d 6.4
d1 inside diameter 19
s 0.75
f width of the nose 3.5
g distance to the nose 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 432
M8
d 8.4
d1 inside diameter 22
s 1
f width of the nose 3.5
g distance to the nose 8.5 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 432
M10
d 10.5
d1 inside diameter 26
s 1
f width of the nose 4.5
g distance to the nose 10 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 432
M12
d 13
d1 inside diameter 30
s 1.2
f width of the nose 4.5
g distance to the nose 12 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 432
M14
d 15
d1 inside diameter 33
s 1.2
f width of the nose 4.5
g distance to the nose 13 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 432
M16
d 17
d1 inside diameter 36
s 1.2
f width of the nose 5.5
g distance to the nose 15 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 432
M20
d 21
d1 inside diameter 42
s 1.6
f width of the nose 6.5
g distance to the nose 18 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 432
M24
d 25
d1 inside diameter 50
s 1.6
f width of the nose 7.5
g distance to the nose 21 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 432
M30
d 31
d1 inside diameter 63
s 1.6
f width of the nose 8.5
g distance to the nose 25 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 432
M36
d 37
d1 inside diameter 75
s 2
f width of the nose 11
g distance to the nose 31 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.
Data notes (1) Status (active/withdrawn) could not be confirmed from the sources used.