Dimensions mm · values as the standard states them Size P s fit D12 e b fit js16 t mass thread_alt metric taper, DIN 158 thread_alt pipe thread, DIN 3858 t´ w M8x1 1 4
≥ 4.6
8
≥ 4
2.07
—
—
≥ 4.7
≥ 2
M10x1 1 5
≥ 5.7
8
≥ 4
3.38
—
R1/8
≥ 4.7
≥ 2
M12x1.5 1.5 6
≥ 6.9
10
≥ 5
6.1
—
—
≥ 5.9
≥ 2
M14x1.5 1.5 7
≥ 8
10
≥ 5
8.1
—
—
≥ 6
≥ 2
M16x1.5 1.5 8
≥ 9.2
10
≥ 5
11
—
—
≥ 6.2
≥ 2
M18x1.5 1.5 8
≥ 9.2
10
≥ 5
14.6
—
—
≥ 6.2
≥ 2
M20x1.5 1.5 10
≥ 11.4
10
≥ 5
17.6
—
—
≥ 6.4
≥ 2
M22x1.5 1.5 10
≥ 11.4
10
≥ 5
22
—
—
≥ 6.4
≥ 2
M24x1.5 1.5 12
≥ 13.7
12
≥ 6
30.8
—
—
≥ 7.7
≥ 2
M26x1.5 1.5 12
≥ 13.7
12
≥ 6
38.6
—
—
≥ 7.7
≥ 2
M30x1.5 1.5 17
≥ 19.4
12
≥ 6
44
M30x2
—
≥ 7.7
≥ 2
M36x1.5 1.5 19
≥ 21.7
15
≥ 7.5
85.2
M36x2
—
≥ 9.2
≥ 3
M38x1.5 1.5 19
≥ 21.7
15
≥ 7.5
97.4
—
—
≥ 9.2
≥ 3
M42x1.5 1.5 22
≥ 25.2
18
≥ 11.5
135
M42x2
R11/4
≥ 13.2
≥ 3
M45x1.5 1.5 22
≥ 25.2
18
≥ 11.5
167
M45x2
—
≥ 13.2
≥ 3
M48x1.5 1.5 24
≥ 27.4
20
≥ 11.5
214
M48x2
R11/2
≥ 13.5
≥ 4
M52x1.5 1.5 24
≥ 27.4
20
≥ 11.5
253
M52x2
—
≥ 13.5
≥ 4
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 906
M8x1
s width across flats (fit D12) 4
e width across corners ≥ 4.6
b thread length (fit js16) 8
t groove depth ≥ 4
mass mass per 1000 pieces (kg) 2.07
t´ ≥ 4.7
w ≥ 2 Thread · ISO 261/262
Pitch P 1
d2 7.35
d3 6.773
Tap drill 7
Stress area As 39.17 mm² Size sheet · DIN 906
M10x1
s width across flats (fit D12) 5
e width across corners ≥ 5.7
b thread length (fit js16) 8
t groove depth ≥ 4
mass mass per 1000 pieces (kg) 3.38
thread_alt alternative / fine thread (pipe thread, DIN 3858) R1/8
t´ ≥ 4.7
w ≥ 2 Thread · ISO 261/262
Pitch P 1
d2 9.35
d3 8.773
Tap drill 9
Stress area As 64.49 mm² Size sheet · DIN 906
M12x1.5
s width across flats (fit D12) 6
e width across corners ≥ 6.9
b thread length (fit js16) 10
t groove depth ≥ 5
mass mass per 1000 pieces (kg) 6.1
t´ ≥ 5.9
w ≥ 2 Thread · ISO 261/262
Pitch P 1.5
d2 11.026
d3 10.16
Tap drill 10.5
Stress area As 88.13 mm² Size sheet · DIN 906
M14x1.5
s width across flats (fit D12) 7
e width across corners ≥ 8
b thread length (fit js16) 10
t groove depth ≥ 5
mass mass per 1000 pieces (kg) 8.1
t´ ≥ 6
w ≥ 2 Thread · ISO 261/262
Pitch P 1.5
d2 13.026
d3 12.16
Tap drill 12.5
Stress area As 124.55 mm² Size sheet · DIN 906
M16x1.5
s width across flats (fit D12) 8
e width across corners ≥ 9.2
b thread length (fit js16) 10
t groove depth ≥ 5
mass mass per 1000 pieces (kg) 11
t´ ≥ 6.2
w ≥ 2 Thread · ISO 261/262
Pitch P 1.5
d2 15.026
d3 14.16
Tap drill 14.5
Stress area As 167.25 mm² Size sheet · DIN 906
M18x1.5
s width across flats (fit D12) 8
e width across corners ≥ 9.2
b thread length (fit js16) 10
t groove depth ≥ 5
mass mass per 1000 pieces (kg) 14.6
t´ ≥ 6.2
w ≥ 2 Thread · ISO 261/262
Pitch P 1.5
d2 17.026
d3 16.16
Tap drill 16.5
Stress area As 216.23 mm² Size sheet · DIN 906
M20x1.5
s width across flats (fit D12) 10
e width across corners ≥ 11.4
b thread length (fit js16) 10
t groove depth ≥ 5
mass mass per 1000 pieces (kg) 17.6
t´ ≥ 6.4
w ≥ 2 Thread · ISO 261/262
Pitch P 1.5
d2 19.026
d3 18.16
Tap drill 18.5
Stress area As 271.5 mm² Size sheet · DIN 906
M22x1.5
s width across flats (fit D12) 10
e width across corners ≥ 11.4
b thread length (fit js16) 10
t groove depth ≥ 5
mass mass per 1000 pieces (kg) 22
t´ ≥ 6.4
w ≥ 2 Thread · ISO 261/262
Pitch P 1.5
d2 21.026
d3 20.16
Tap drill 20.5
Stress area As 333.06 mm² Size sheet · DIN 906
M24x1.5
s width across flats (fit D12) 12
e width across corners ≥ 13.7
b thread length (fit js16) 12
t groove depth ≥ 6
mass mass per 1000 pieces (kg) 30.8
t´ ≥ 7.7
w ≥ 2 Size sheet · DIN 906
M26x1.5
s width across flats (fit D12) 12
e width across corners ≥ 13.7
b thread length (fit js16) 12
t groove depth ≥ 6
mass mass per 1000 pieces (kg) 38.6
t´ ≥ 7.7
w ≥ 2 Size sheet · DIN 906
M30x1.5
s width across flats (fit D12) 17
e width across corners ≥ 19.4
b thread length (fit js16) 12
t groove depth ≥ 6
mass mass per 1000 pieces (kg) 44
thread_alt alternative / fine thread (metric taper, DIN 158) M30x2
t´ ≥ 7.7
w ≥ 2 Size sheet · DIN 906
M36x1.5
s width across flats (fit D12) 19
e width across corners ≥ 21.7
b thread length (fit js16) 15
t groove depth ≥ 7.5
mass mass per 1000 pieces (kg) 85.2
thread_alt alternative / fine thread (metric taper, DIN 158) M36x2
t´ ≥ 9.2
w ≥ 3 Size sheet · DIN 906
M38x1.5
s width across flats (fit D12) 19
e width across corners ≥ 21.7
b thread length (fit js16) 15
t groove depth ≥ 7.5
mass mass per 1000 pieces (kg) 97.4
t´ ≥ 9.2
w ≥ 3 Size sheet · DIN 906
M42x1.5
s width across flats (fit D12) 22
e width across corners ≥ 25.2
b thread length (fit js16) 18
t groove depth ≥ 11.5
mass mass per 1000 pieces (kg) 135
thread_alt alternative / fine thread (metric taper, DIN 158) M42x2
thread_alt alternative / fine thread (pipe thread, DIN 3858) R11/4
t´ ≥ 13.2
w ≥ 3 Size sheet · DIN 906
M45x1.5
s width across flats (fit D12) 22
e width across corners ≥ 25.2
b thread length (fit js16) 18
t groove depth ≥ 11.5
mass mass per 1000 pieces (kg) 167
thread_alt alternative / fine thread (metric taper, DIN 158) M45x2
t´ ≥ 13.2
w ≥ 3 Size sheet · DIN 906
M48x1.5
s width across flats (fit D12) 24
e width across corners ≥ 27.4
b thread length (fit js16) 20
t groove depth ≥ 11.5
mass mass per 1000 pieces (kg) 214
thread_alt alternative / fine thread (metric taper, DIN 158) M48x2
thread_alt alternative / fine thread (pipe thread, DIN 3858) R11/2
t´ ≥ 13.5
w ≥ 4 Size sheet · DIN 906
M52x1.5
s width across flats (fit D12) 24
e width across corners ≥ 27.4
b thread length (fit js16) 20
t groove depth ≥ 11.5
mass mass per 1000 pieces (kg) 253
thread_alt alternative / fine thread (metric taper, DIN 158) M52x2
t´ ≥ 13.5
w ≥ 4 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.