For disc springs (belleville washers), DIN 2093 is the governing document for the dimensions listed below. Mechanical and performance requirements for this part family are set by its own standards, not by the bolt and screw property-class documents.
DIN 2093 — Scope
The table below lists the dimensions catalogued for disc springs (belleville washers) under DIN 2093. The scope of DIN 2093 itself is not summarised here — where a figure matters, confirm it against the published document.
Tolerance & Product Grades
Product grade is a concept from dimensional fastener standards and does not apply to DIN 2093. Tolerances for this part are the limits shown against each dimension in the table.
Dimensions Specified by DIN 2093
| Nominal size | Outer diameter De (mm) | Inner diameter Di (mm) | Thickness t (mm) | Height l0 (mm) | Cone height h0 (mm) | Force at flat F (N) | Reference standard |
|---|---|---|---|---|---|---|---|
| 8 | 8 | 4.2 | 0.4 | 0.55 | 0.15 | 210 | DIN 2093 A |
| 10 | 10 | 5.2 | 0.5 | 0.70 | 0.20 | 320 | DIN 2093 A |
| 12.5 | 12.5 | 6.2 | 0.7 | 0.95 | 0.25 | 620 | DIN 2093 A |
| 14 | 14 | 7.2 | 0.8 | 1.10 | 0.30 | 810 | DIN 2093 A |
| 16 | 16 | 8.2 | 0.9 | 1.25 | 0.35 | 1000 | DIN 2093 A |
| 18 | 18 | 9.2 | 1.0 | 1.40 | 0.40 | 1250 | DIN 2093 A |
| 20 | 20 | 10.2 | 1.1 | 1.55 | 0.45 | 1530 | DIN 2093 A |
| 22.5 | 22.5 | 11.2 | 1.25 | 1.75 | 0.50 | 1950 | DIN 2093 A |
| 25 | 25 | 12.2 | 1.5 | 2.05 | 0.55 | 2910 | DIN 2093 A |
| 28 | 28 | 14.2 | 1.5 | 2.15 | 0.65 | 2850 | DIN 2093 A |
| 31.5 | 31.5 | 16.3 | 1.75 | 2.45 | 0.70 | 3900 | DIN 2093 A |
| 35.5 | 35.5 | 18.3 | 2.0 | 2.80 | 0.80 | 5190 | DIN 2093 A |
| 40 | 40 | 20.4 | 2.25 | 3.15 | 0.90 | 6540 | DIN 2093 A |
| 45 | 45 | 22.4 | 2.5 | 3.50 | 1.00 | 7720 | DIN 2093 A |
| 50 | 50 | 25.4 | 3.0 | 4.10 | 1.10 | 12000 | DIN 2093 A |
| 56 | 56 | 28.5 | 3.0 | 4.30 | 1.30 | 11400 | DIN 2093 A |
| 63 | 63 | 31 | 3.5 | 5.00 | 1.50 | 15000 | DIN 2093 A |
| 71 | 71 | 36 | 4.0 | 5.60 | 1.60 | 20200 | DIN 2093 A |
| 80 | 80 | 41 | 5.0 | 6.70 | 1.70 | 33700 | DIN 2093 A |
| 90 | 90 | 46 | 5.0 | 7.00 | 2.00 | 31400 | DIN 2093 A |
| 100 | 100 | 51 | 6.0 | 8.20 | 2.20 | 48000 | DIN 2093 A |
Equivalent Standards
Where direct equivalents exist (ISO ↔ DIN, ISO ↔ ASME), they are listed on the parent Disc Springs (Belleville Washers) page.
Always confirm against the dimensions on this page, since some "equivalent" standards differ in tolerances and head geometry.
When to Specify DIN 2093
DIN 2093 is still widely used in European mechanical engineering and as a cross-reference on legacy drawings; its ISO equivalent is preferred for new designs.
Custom manufacturing · Made to drawing
Need a washer to this standard in a non-standard size?
Parts built to DIN 2093 are already in the catalog, so a special is usually a variation on existing tooling rather than a new design — which is what keeps the cost down. Made by stamping or punching.
Minimum order from 2,000 pieces; samples within 7 days of drawing approval.
