Dimensions mm · values as the standard states them Size P t n 3.6 0.8 – 1.05
0.4
4.8 1.12 – 1.42
0.6
6 1.28 – 1.63
0.8
7.2 1.6 – 2
1
9.6 2 – 2.5
1.2
12 2.4 – 3
1.6
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 427
3.6
t groove depth 0.8 – 1.05
n groove width 0.4 Standard lengths
6 · 8 · 10 · 12 · 16 · 20 · 25 · 30
Size sheet · DIN 427
4.8
t groove depth 1.12 – 1.42
n groove width 0.6 Standard lengths
8 · 10 · 12 · 16 · 20 · 25 · 30 · 35 · 40
Size sheet · DIN 427
6
t groove depth 1.28 – 1.63
n groove width 0.8 Standard lengths
8 · 10 · 12 · 16 · 20 · 25 · 30 · 35 · 40
Size sheet · DIN 427
7.2
t groove depth 1.6 – 2
n groove width 1 Standard lengths
12 · 16 · 20 · 25 · 30 · 35 · 40
Size sheet · DIN 427
9.6
t groove depth 2 – 2.5
n groove width 1.2 Standard lengths
16 · 20 · 25 · 30 · 35 · 40 · 45
Size sheet · DIN 427
12
t groove depth 2.4 – 3
n groove width 1.6 Standard lengths
20 · 25 · 30 · 35 · 40
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.