Dimensions mm · values as the standard states them Size P d1 s h b r mass 2 2.1 – 2.4
0,5±0,1
0.7 – 0.9
0,9±0,1
0.1
0.035
2.5 2.6 – 2.9
0,6±0,1
0.9 – 1.1
1±0,1
0.1
0.055
3 3.1 – 3.4
0,7±0,1
1.1 – 1.3
1,3±0,1
0.1
0.09
3.5 3.6 – 3.9
0,7±0,1
1.1 – 1.3
1,3±0,1
0.1
0.1
4 4.1 – 4.4
0,8±0,1
1.2 – 1.4
1,5±0,1
0.2
0.15
5 5.1 – 5.4
1±0,1
1.5 – 1.7
1,8±0,1
0.2
0.3
6 6.1 – 6.5
1,3±0,1
2 – 2.2
2,5±0,15
0.3
0.7
7 7.1 – 7.5
1,3±0,1
2 – 2.2
2,5±0,15
0.3
0.75
8 8.1 – 8.5
1,6±0,1
2.45 – 2.75
3±0,15
0.5
1.3
10 10.2 – 10.7
1,8±0,1
2.85 – 3.15
3,5±0,2
0.5
2.1
12 12.2 – 12.7
2,1±0,15
3.35 – 3.65
4±0,2
1
3.2
14 14.2 – 14.7
2,4±0,15
3.9 – 4.3
4,5±0,2
1
4.8
16 16.2 – 17
2,8±0,15
4.5 – 5.1
5±0,2
1
7
18 18.2 – 19
2,8±0,15
4.5 – 5.1
5±0,2
1
7.8
20 20.2 – 21.2
3,2±0,2
5.1 – 5.9
6±0,2
1
12.2
22 22.5 – 23.5
3,2±0,2
5.1 – 5.9
6±0,2
1
13.3
24 24.5 – 25.5
4±0,2
6.5 – 7.5
7±0,25
1.6
21.5
27 27.5 – 28.5
4±0,2
6.5 – 7.5
7±0,25
1.6
23.7
30 30.5 – 31.7
6±0,2
9.5 – 10.5
8±0,25
1.6
42.5
36 36.5 – 37.7
6±0,2
10.3 – 11.3
10±0,25
1.6
68
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 128 A
2
d1 inside diameter 2.1 – 2.4
s 0,5±0,1
h thickness 0.7 – 0.9
b side length 0,9±0,1
r radius 0.1
mass mass per 1000 pieces (kg) 0.035 Thread · ISO 261/262
Pitch P 0.4
d2 1.74
d3 1.509
Tap drill 1.6
Stress area As 2.07 mm² Size sheet · DIN 128 A
2.5
d1 inside diameter 2.6 – 2.9
s 0,6±0,1
h thickness 0.9 – 1.1
b side length 1±0,1
r radius 0.1
mass mass per 1000 pieces (kg) 0.055 Thread · ISO 261/262
Pitch P 0.45
d2 2.208
d3 1.948
Tap drill 2.05
Stress area As 3.39 mm² Size sheet · DIN 128 A
3
d1 inside diameter 3.1 – 3.4
s 0,7±0,1
h thickness 1.1 – 1.3
b side length 1,3±0,1
r radius 0.1
mass mass per 1000 pieces (kg) 0.09 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 128 A
3.5
d1 inside diameter 3.6 – 3.9
s 0,7±0,1
h thickness 1.1 – 1.3
b side length 1,3±0,1
r radius 0.1
mass mass per 1000 pieces (kg) 0.1 Thread · ISO 261/262
Pitch P 0.6
d2 3.11
d3 2.764
Tap drill 2.9
Stress area As 6.78 mm² Size sheet · DIN 128 A
4
d1 inside diameter 4.1 – 4.4
s 0,8±0,1
h thickness 1.2 – 1.4
b side length 1,5±0,1
r radius 0.2
mass mass per 1000 pieces (kg) 0.15 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 128 A
5
d1 inside diameter 5.1 – 5.4
s 1±0,1
h thickness 1.5 – 1.7
b side length 1,8±0,1
r radius 0.2
mass mass per 1000 pieces (kg) 0.3 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 128 A
6
d1 inside diameter 6.1 – 6.5
s 1,3±0,1
h thickness 2 – 2.2
b side length 2,5±0,15
r radius 0.3
mass mass per 1000 pieces (kg) 0.7 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 128 A
7
d1 inside diameter 7.1 – 7.5
s 1,3±0,1
h thickness 2 – 2.2
b side length 2,5±0,15
r radius 0.3
mass mass per 1000 pieces (kg) 0.75 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 128 A
8
d1 inside diameter 8.1 – 8.5
s 1,6±0,1
h thickness 2.45 – 2.75
b side length 3±0,15
r radius 0.5
mass mass per 1000 pieces (kg) 1.3 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 128 A
10
d1 inside diameter 10.2 – 10.7
s 1,8±0,1
h thickness 2.85 – 3.15
b side length 3,5±0,2
r radius 0.5
mass mass per 1000 pieces (kg) 2.1 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 128 A
12
d1 inside diameter 12.2 – 12.7
s 2,1±0,15
h thickness 3.35 – 3.65
b side length 4±0,2
r radius 1
mass mass per 1000 pieces (kg) 3.2 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 128 A
14
d1 inside diameter 14.2 – 14.7
s 2,4±0,15
h thickness 3.9 – 4.3
b side length 4,5±0,2
r radius 1
mass mass per 1000 pieces (kg) 4.8 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 128 A
16
d1 inside diameter 16.2 – 17
s 2,8±0,15
h thickness 4.5 – 5.1
b side length 5±0,2
r radius 1
mass mass per 1000 pieces (kg) 7 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 128 A
18
d1 inside diameter 18.2 – 19
s 2,8±0,15
h thickness 4.5 – 5.1
b side length 5±0,2
r radius 1
mass mass per 1000 pieces (kg) 7.8 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 128 A
20
d1 inside diameter 20.2 – 21.2
s 3,2±0,2
h thickness 5.1 – 5.9
b side length 6±0,2
r radius 1
mass mass per 1000 pieces (kg) 12.2 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 128 A
22
d1 inside diameter 22.5 – 23.5
s 3,2±0,2
h thickness 5.1 – 5.9
b side length 6±0,2
r radius 1
mass mass per 1000 pieces (kg) 13.3 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 128 A
24
d1 inside diameter 24.5 – 25.5
s 4±0,2
h thickness 6.5 – 7.5
b side length 7±0,25
r radius 1.6
mass mass per 1000 pieces (kg) 21.5 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 128 A
27
d1 inside diameter 27.5 – 28.5
s 4±0,2
h thickness 6.5 – 7.5
b side length 7±0,25
r radius 1.6
mass mass per 1000 pieces (kg) 23.7 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 128 A
30
d1 inside diameter 30.5 – 31.7
s 6±0,2
h thickness 9.5 – 10.5
b side length 8±0,25
r radius 1.6
mass mass per 1000 pieces (kg) 42.5 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 128 A
36
d1 inside diameter 36.5 – 37.7
s 6±0,2
h thickness 10.3 – 11.3
b side length 10±0,25
r radius 1.6
mass mass per 1000 pieces (kg) 68 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.