Dimensions mm · values as the standard states them Size P C1 D2 D3 D4 I1 M P1 P2 pipe_od S T1 M8x1 1 8.5
—
8
4
17
5
—
—
4and5
12
15
M10x1 1 8.5
2.8
10
5.5
19
6
4.5
6.5
5
14
17
M12x1.5 1.5 11
3.5
12
7
24
6
5
8
8
17
22
M14x1.5 1.5 11
4.5
14
9
16
6
5.5
9.5
10
19
24
M16x1.5 1.5 11
5.5
16
11
28
6
6.5
11.5
12
22
26
M18x1.5 1.5 11
7
18
13
32
6
7.5
14
15
24
29
M22x1.5 1.5 13
9
22
16
39
7
9
18
18
27
35.5
M26x1.5 1.5 13
11
26
20
45
7
10.5
22.5
22
32
41
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 7643
M8x1
C1 8.5
D3 8
D4 4
I1 17
M 5
pipe_od 4and5
S 12
T1 15 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 7643
M10x1
C1 8.5
D2 2.8
D3 10
D4 5.5
I1 19
M 6
P1 4.5
P2 6.5
pipe_od 5
S 14
T1 17 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 7643
M12x1.5
C1 11
D2 3.5
D3 12
D4 7
I1 24
M 6
P1 5
P2 8
pipe_od 8
S 17
T1 22 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 7643
M14x1.5
C1 11
D2 4.5
D3 14
D4 9
I1 16
M 6
P1 5.5
P2 9.5
pipe_od 10
S 19
T1 24 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 7643
M16x1.5
C1 11
D2 5.5
D3 16
D4 11
I1 28
M 6
P1 6.5
P2 11.5
pipe_od 12
S 22
T1 26 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 7643
M18x1.5
C1 11
D2 7
D3 18
D4 13
I1 32
M 6
P1 7.5
P2 14
pipe_od 15
S 24
T1 29 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 7643
M22x1.5
C1 13
D2 9
D3 22
D4 16
I1 39
M 7
P1 9
P2 18
pipe_od 18
S 27
T1 35.5 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 7643
M26x1.5
C1 13
D2 11
D3 26
D4 20
I1 45
M 7
P1 10.5
P2 22.5
pipe_od 22
S 32
T1 41 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.
Data notes (1) Status (active/withdrawn) could not be confirmed from the sources used.