DIN 471 20 Retaining Ring for Shafts
In stock in 5 material, grade and finish combinations.
Dimensions at 20
mm · DIN 471 · dimensions from 1981-09 · current edition 2026-05| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | 20 | – | – |
| s | Ring thickness | 1.2 | – | – |
| d3 | Free diameter | 18.5 | – | – |
| a | Lug radial width | – | – | 4 |
| b | Ring width opposite opening | 2.6 | – | – |
| d5 | Lug hole diameter | 2 | – | – |
| d2 | Groove diameter | 19 | – | – |
| m | Groove width | 1.3 | – | – |
| t | Groove depth | 0.5 | – | – |
| n | Edge margin | – | 1.5 | – |
- Approx. weight
- ≈ 1.30 kg per 1 000 pieces · Bare steel, before coating and packing.769 pieces per kg