Dimensions mm · values as the standard states them Size P e k d2 d3 w 2.5 1.3
1.2
5
≥ 2.37
0.8
3 1.5
1.5
6
≥ 2.87
1
4 2
2.1
8
≥ 3.87
1.4
5 2.5
2.5
10
≥ 4.82
1.7
6 3
3
12
≥ 5.82
2
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 662
2.5
e Location nominal diameter from the bottom of the head 1.3
k head height 1.2
d2 head diameter 5
d3 minimum diameter of the shaft ≥ 2.37
w height of the lens 0.8 Size sheet · DIN 662
3
e Location nominal diameter from the bottom of the head 1.5
k head height 1.5
d2 head diameter 6
d3 minimum diameter of the shaft ≥ 2.87
w height of the lens 1 Size sheet · DIN 662
4
e Location nominal diameter from the bottom of the head 2
k head height 2.1
d2 head diameter 8
d3 minimum diameter of the shaft ≥ 3.87
w height of the lens 1.4 Size sheet · DIN 662
5
e Location nominal diameter from the bottom of the head 2.5
k head height 2.5
d2 head diameter 10
d3 minimum diameter of the shaft ≥ 4.82
w height of the lens 1.7 Size sheet · DIN 662
6
e Location nominal diameter from the bottom of the head 3
k head height 3
d2 head diameter 12
d3 minimum diameter of the shaft ≥ 5.82
w height of the lens 2 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.