DIN 472 28 Retaining Ring for Bores
In stock in 5 material, grade and finish combinations.
Dimensions at 28
mm · DIN 472 · dimensions from 1981-09 · current edition 2026-05| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | 28 | – | – |
| s | Ring thickness | 1.2 | – | – |
| d3 | Free diameter | 30.1 | – | – |
| a | Lug radial width | – | – | 4.8 |
| b | Ring width opposite opening | 2.9 | – | – |
| d5 | Lug hole diameter | 2 | – | – |
| d2 | Groove diameter | 29.4 | – | – |
| m | Groove width | 1.3 | – | – |
| t | Groove depth | 0.7 | – | – |
| n | Edge margin | – | 2.1 | – |
- Approx. weight
- ≈ 1.80 kg per 1 000 pieces · Bare steel, before coating and packing.556 pieces per kg