Dimensions mm · values as the standard states them 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 7349
3.2
s 1
d2 outside diameter 9
mass mass per 1000 pieces (kg) 0.436 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 7349
4.3
s 1.6
d2 outside diameter 12
mass mass per 1000 pieces (kg) 1.24 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 7349
5.3
s 2
d2 outside diameter 15
mass mass per 1000 pieces (kg) 2.43 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 7349
6.4
s 3
d2 outside diameter 17
mass mass per 1000 pieces (kg) 4.59 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 7349
8.4
s 4
d2 outside diameter 21
mass mass per 1000 pieces (kg) 9.15 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 7349
10.5
s 4
d2 outside diameter 25
mass mass per 1000 pieces (kg) 12.7 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 7349
13
s 6
d2 outside diameter 30
mass mass per 1000 pieces (kg) 27.1 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 7349
15
s 6
d2 outside diameter 36
mass mass per 1000 pieces (kg) 39.6 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 7349
17
s 6
d2 outside diameter 40
mass mass per 1000 pieces (kg) 48.5 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 7349
19
s 8
d2 outside diameter 44
mass mass per 1000 pieces (kg) 77.4 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 7349
21
s 8
d2 outside diameter 44
mass mass per 1000 pieces (kg) 73.4 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 7349
23
s 8
d2 outside diameter 50
mass mass per 1000 pieces (kg) 97.1 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 7349
25
s 10
d2 outside diameter 50
mass mass per 1000 pieces (kg) 116 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 7349
28
s 10
d2 outside diameter 60
mass mass per 1000 pieces (kg) 174 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 7349
31
s 10
d2 outside diameter 68
mass mass per 1000 pieces (kg) 226 Thread · ISO 261/262
Pitch P 3.5
d2 27.727
d3 25.706
Tap drill 26.5
Stress area As 560.59 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.