Dimensions mm · values as the standard states them Size P e auxiliary h r t mass z M8 1.25 3.05
4.6
3.6 – 5.6
≈ 1.2
≈ 0.5
10.2
1.68
M10 1.5 3.05
4.6
3.6 – 5.6
≈ 1.2
≈ 0.5
9.4
1.68
M12 1.75 4.1
6.2
5 – 7.4
≈ 1.6
≈ 0.7
20.1
1.68
M16 2 5
7.5
6.3 – 8.7
≈ 2
≈ 0.8
35.6
2
M20 2.5 6.1
9.2
8 – 10.4
≈ 2.4
≈ 0.9
67
2
M22 2.5 6.5
10
8.8 – 11.2
≈ 2.4
≈ 1
90
2
M24 3 6.9
10.8
9.3 – 12.3
≈ 2.4
≈ 1
143
3.8
M27 3 6.9
10.8
9.3 – 12.3
≈ 2.4
≈ 1
133
3.8
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 435
M8
e (auxiliary) 3.05
h thickness 4.6
r ≈ 1.2
t ≈ 0.5
mass mass per 1000 pieces (kg) 10.2
z 1.68 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 435
M10
e (auxiliary) 3.05
h thickness 4.6
r ≈ 1.2
t ≈ 0.5
mass mass per 1000 pieces (kg) 9.4
z 1.68 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 435
M12
e (auxiliary) 4.1
h thickness 6.2
r ≈ 1.6
t ≈ 0.7
mass mass per 1000 pieces (kg) 20.1
z 1.68 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 435
M16
e (auxiliary) 5
h thickness 7.5
r ≈ 2
t ≈ 0.8
mass mass per 1000 pieces (kg) 35.6
z 2 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 435
M20
e (auxiliary) 6.1
h thickness 9.2
r ≈ 2.4
t ≈ 0.9
mass mass per 1000 pieces (kg) 67
z 2 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 435
M22
e (auxiliary) 6.5
h thickness 10
r ≈ 2.4
t ≈ 1
mass mass per 1000 pieces (kg) 90
z 2 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 435
M24
e (auxiliary) 6.9
h thickness 10.8
r ≈ 2.4
t ≈ 1
mass mass per 1000 pieces (kg) 143
z 3.8 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 435
M27
e (auxiliary) 6.9
h thickness 10.8
r ≈ 2.4
t ≈ 1
mass mass per 1000 pieces (kg) 133
z 3.8 Thread · ISO 261/262
Pitch P 3
d2 25.051
d3 23.319
Tap drill 24
Stress area As 459.41 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.