Dimensions mm · values as the standard states them Size P s e m dw da mass m´ thread_alt M8 13
12.73 – 13
≥ 14.38
5
4.7 – 5
≥ 11.3
8 – 8.75
4
≥ 3.8
M8x1
M10 17
16.73 – 17
≥ 18.9
6
5.7 – 6
≥ 15.3
10 – 10.8
8.6
≥ 4.6
M10x1,25
M12 19
18.67 – 19
≥ 21.1
7
6.64 – 7
≥ 17.2
12 – 13
12.1
≥ 5.3
M12x1,5
M14 22
21.67 – 22
≥ 24.49
8
7.42 – 8
≥ 20.2
14 – 15.1
18.2
≥ 5.9
M14x1,5
M16 24
23.67 – 24
≥ 26.75
8
7.42 – 8
≥ 22.2
16 – 17.3
20.1
≥ 5.9
M16x1,5
M18 27
26.16 – 27
≥ 29.56
9
8.42 – 9
≥ 25.3
18 – 19.5
29.6
≥ 6.7
M18x2
M20 30
29.16 – 30
≥ 32.95
9
8.1 – 9
≥ 28.2
20 – 21.6
36.3
≥ 6.5
M20x2
M22 32
31 – 32
≥ 35.03
10
9.1 – 10
≥ 29.5
22 – 23.7
43.8
≥ 7.3
M22x2
M24 36
35 – 36
≥ 39.55
10
9.1 – 10
≥ 33.2
24 – 25.9
58
≥ 7.3
M24x2
M27 41
40 – 41
≥ 45.2
12
10.9 – 12
≥ 38
27 – 29.1
90
≥ 8.7
M27x2
M30 46
45 – 46
≥ 50.85
12
10.9 – 12
≥ 42.7
30 – 32.4
110
≥ 8.7
M30x2
M33 50
49 – 50
≥ 55.37
14
12.9 – 14
≥ 46.6
33 – 35.6
155
≥ 10.3
M33x2
M36 55
53.8 – 55
≥ 60.79
14
12.9 – 14
≥ 51.1
36 – 38.9
190
≥ 10.3
M36x3
M39 60
58.8 – 60
≥ 66.44
16
14.9 – 16
≥ 55.9
39 – 42.1
260
≥ 11.9
M39x3
M42 65
63.1 – 65
≥ 71.3
16
14.9 – 16
≥ 60.6
42 – 45.4
307
≥ 11.9
M42x3
(M45) 70
68.1 – 70
≥ 76.95
18
16.9 – 18
≥ 64.7
45 – 48.6
400
≥ 13.5
M45x3
M48 75
73.1 – 75
≥ 82.6
18
16.9 – 18
≥ 69.4
48 – 51.8
460
≥ 13.5
M48x3
M52 80
78.1 – 80
≥ 88.25
20
18.7 – 20
≥ 74.2
52 – 56.2
580
≥ 15
M52x3
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 936
M8
s width across flats 13
e width across corners ≥ 14.38
m nut height 5
dw bearing face diameter ≥ 11.3
da transition diameter 8 – 8.75
mass mass per 1000 pieces (kg) 4
m´ ≥ 3.8
thread_alt alternative / fine thread M8x1 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 936
M10
s width across flats 17
e width across corners ≥ 18.9
m nut height 6
dw bearing face diameter ≥ 15.3
da transition diameter 10 – 10.8
mass mass per 1000 pieces (kg) 8.6
m´ ≥ 4.6
thread_alt alternative / fine thread M10x1,25 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 936
M12
s width across flats 19
e width across corners ≥ 21.1
m nut height 7
dw bearing face diameter ≥ 17.2
da transition diameter 12 – 13
mass mass per 1000 pieces (kg) 12.1
m´ ≥ 5.3
thread_alt alternative / fine thread M12x1,5 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 936
M14
s width across flats 22
e width across corners ≥ 24.49
m nut height 8
dw bearing face diameter ≥ 20.2
da transition diameter 14 – 15.1
mass mass per 1000 pieces (kg) 18.2
m´ ≥ 5.9
thread_alt alternative / fine thread M14x1,5 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 936
M16
s width across flats 24
e width across corners ≥ 26.75
m nut height 8
dw bearing face diameter ≥ 22.2
da transition diameter 16 – 17.3
mass mass per 1000 pieces (kg) 20.1
m´ ≥ 5.9
thread_alt alternative / fine thread M16x1,5 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 936
M18
s width across flats 27
e width across corners ≥ 29.56
m nut height 9
dw bearing face diameter ≥ 25.3
da transition diameter 18 – 19.5
mass mass per 1000 pieces (kg) 29.6
m´ ≥ 6.7
thread_alt alternative / fine thread M18x2 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 936
M20
s width across flats 30
e width across corners ≥ 32.95
m nut height 9
dw bearing face diameter ≥ 28.2
da transition diameter 20 – 21.6
mass mass per 1000 pieces (kg) 36.3
m´ ≥ 6.5
thread_alt alternative / fine thread M20x2 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 936
M22
s width across flats 32
e width across corners ≥ 35.03
m nut height 10
dw bearing face diameter ≥ 29.5
da transition diameter 22 – 23.7
mass mass per 1000 pieces (kg) 43.8
m´ ≥ 7.3
thread_alt alternative / fine thread M22x2 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 936
M24
s width across flats 36
e width across corners ≥ 39.55
m nut height 10
dw bearing face diameter ≥ 33.2
da transition diameter 24 – 25.9
mass mass per 1000 pieces (kg) 58
m´ ≥ 7.3
thread_alt alternative / fine thread M24x2 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 936
M27
s width across flats 41
e width across corners ≥ 45.2
m nut height 12
dw bearing face diameter ≥ 38
da transition diameter 27 – 29.1
mass mass per 1000 pieces (kg) 90
m´ ≥ 8.7
thread_alt alternative / fine thread M27x2 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 936
M30
s width across flats 46
e width across corners ≥ 50.85
m nut height 12
dw bearing face diameter ≥ 42.7
da transition diameter 30 – 32.4
mass mass per 1000 pieces (kg) 110
m´ ≥ 8.7
thread_alt alternative / fine thread M30x2 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 936
M33
s width across flats 50
e width across corners ≥ 55.37
m nut height 14
dw bearing face diameter ≥ 46.6
da transition diameter 33 – 35.6
mass mass per 1000 pieces (kg) 155
m´ ≥ 10.3
thread_alt alternative / fine thread M33x2 Thread · ISO 261/262
Pitch P 3.5
d2 30.727
d3 28.706
Tap drill 29.5
Stress area As 693.55 mm² Size sheet · DIN 936
M36
s width across flats 55
e width across corners ≥ 60.79
m nut height 14
dw bearing face diameter ≥ 51.1
da transition diameter 36 – 38.9
mass mass per 1000 pieces (kg) 190
m´ ≥ 10.3
thread_alt alternative / fine thread M36x3 Thread · ISO 261/262
Pitch P 4
d2 33.402
d3 31.093
Tap drill 32
Stress area As 816.72 mm² Size sheet · DIN 936
M39
s width across flats 60
e width across corners ≥ 66.44
m nut height 16
dw bearing face diameter ≥ 55.9
da transition diameter 39 – 42.1
mass mass per 1000 pieces (kg) 260
m´ ≥ 11.9
thread_alt alternative / fine thread M39x3 Thread · ISO 261/262
Pitch P 4
d2 36.402
d3 34.093
Tap drill 35
Stress area As 975.75 mm² Size sheet · DIN 936
M42
s width across flats 65
e width across corners ≥ 71.3
m nut height 16
dw bearing face diameter ≥ 60.6
da transition diameter 42 – 45.4
mass mass per 1000 pieces (kg) 307
m´ ≥ 11.9
thread_alt alternative / fine thread M42x3 Thread · ISO 261/262
Pitch P 4.5
d2 39.077
d3 36.479
Tap drill 37.5
Stress area As 1120.91 mm² Size sheet · DIN 936
M45
s width across flats 70
e width across corners ≥ 76.95
m nut height 18
dw bearing face diameter ≥ 64.7
da transition diameter 45 – 48.6
mass mass per 1000 pieces (kg) 400
m´ ≥ 13.5
thread_alt alternative / fine thread M45x3 Thread · ISO 261/262
Pitch P 4.5
d2 42.077
d3 39.479
Tap drill 40.5
Stress area As 1306 mm² Size sheet · DIN 936
M48
s width across flats 75
e width across corners ≥ 82.6
m nut height 18
dw bearing face diameter ≥ 69.4
da transition diameter 48 – 51.8
mass mass per 1000 pieces (kg) 460
m´ ≥ 13.5
thread_alt alternative / fine thread M48x3 Thread · ISO 261/262
Pitch P 5
d2 44.752
d3 41.866
Tap drill 43
Stress area As 1473.15 mm² Size sheet · DIN 936
M52
s width across flats 80
e width across corners ≥ 88.25
m nut height 20
dw bearing face diameter ≥ 74.2
da transition diameter 52 – 56.2
mass mass per 1000 pieces (kg) 580
m´ ≥ 15
thread_alt alternative / fine thread M52x3 Thread · ISO 261/262
Pitch P 5
d2 48.752
d3 45.866
Tap drill 47
Stress area As 1757.83 mm² Provenance
Draft — values taken from a single source and not yet cross-checked.
Accessed 2026-09-23 · For design and safety-critical use, consult the current edition of the standard.
Data notes (1) The source publishes one identical table for DIN 936, ISO 8675. It does not match the official ISO 8675 preview, so it is kept as the DIN table.