Dimensions mm · values as the standard states them 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 7977
5
b length of the thread 14
d2 the nominal diameter of the thread M5 Size sheet · DIN 7977
6
b length of the thread 18
d2 the nominal diameter of the thread M6 Size sheet · DIN 7977
8
b length of the thread 22
d2 the nominal diameter of the thread M8 Size sheet · DIN 7977
10
b length of the thread 24
d2 the nominal diameter of the thread M10 Size sheet · DIN 7977
12
b length of the thread 27
d2 the nominal diameter of the thread M12 Size sheet · DIN 7977
14
b length of the thread 30
d2 the nominal diameter of the thread M12 Size sheet · DIN 7977
16
b length of the thread 35
d2 the nominal diameter of the thread M16 Size sheet · DIN 7977
20
b length of the thread 35
d2 the nominal diameter of the thread M16 Provenance
Draft — values taken from a single source and not yet cross-checked.
fasteners.eu dimensions, lengths, materials, property classes, current norm, equivalent norms Otto Roth status Accessed 2026-09-23 · For design and safety-critical use, consult the current edition of the standard.