Dimensions mm · values as the standard states them Size P s d2 mass 6.4 3
17
4.6
8.4 4
23
11.3
10.5 4
26
16.6
13 5
35
32.5
H14 s
h14
Weight(7,85kg/dm3)kg/1000pcs
17 6
45
64.3
21 6
50
76
25 8
60
147
31 10
68
226
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 6340
6.4
s 3
d2 outside diameter 17
mass mass per 1000 pieces (kg) 4.6 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 6340
8.4
s 4
d2 outside diameter 23
mass mass per 1000 pieces (kg) 11.3 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 6340
10.5
s 4
d2 outside diameter 26
mass mass per 1000 pieces (kg) 16.6 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 6340
13
s 5
d2 outside diameter 35
mass mass per 1000 pieces (kg) 32.5 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 6340
H14
s s
d2 outside diameter h14
mass mass per 1000 pieces (kg) Weight(7,85kg/dm3)kg/1000pcs Size sheet · DIN 6340
17
s 6
d2 outside diameter 45
mass mass per 1000 pieces (kg) 64.3 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 6340
21
s 6
d2 outside diameter 50
mass mass per 1000 pieces (kg) 76 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 6340
25
s 8
d2 outside diameter 60
mass mass per 1000 pieces (kg) 147 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 6340
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.