Dimensions mm · values as the standard states them Size P t d2 f1 f2 6 6
M4
2.1
0.8
8 8
M5
2.6
1
10 10
M6
3
1.2
12 10
M6
3.8
1.6
14 12
M8
4
1.8
16 12
M8
4.7
2
20 16
M10
6
2.5
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 · ISO 8735
6
t 6
d2 the nominal diameter of the thread M4
f1 2.1
f2 0.8 Size sheet · ISO 8735
8
t 8
d2 the nominal diameter of the thread M5
f1 2.6
f2 1 Size sheet · ISO 8735
10
t 10
d2 the nominal diameter of the thread M6
f1 3
f2 1.2 Size sheet · ISO 8735
12
t 10
d2 the nominal diameter of the thread M6
f1 3.8
f2 1.6 Size sheet · ISO 8735
14
t 12
d2 the nominal diameter of the thread M8
f1 4
f2 1.8 Size sheet · ISO 8735
16
t 12
d2 the nominal diameter of the thread M8
f1 4.7
f2 2 Size sheet · ISO 8735
20
t 16
d2 the nominal diameter of the thread M10
f1 6
f2 2.5 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 7979, ISO 8735. The DIN and ISO versions are dimensionally identical per the Würth DIN→ISO changeover table; not independently verified against the ISO preview.