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Reference data for specifying and sourcing fasteners correctly — the numbers a procurement or design engineer actually needs.
DIN 472 — Internal retaining ring (bore circlip)
Also referenced as: ISO 463
Approximated dimensionsSnap ring that fits into a groove machined inside a bore/housing, retaining a bearing axially from the inside.
Illustrative — not to scale
| Bore diameter | Ring thickness (s) | Groove diameter (approx.) |
|---|---|---|
| 8 mm | 0.8 mm | 8.4 mm |
| 10 mm | 1.0 mm | 10.4 mm |
| 12 mm | 1.0 mm | 12.5 mm |
| 16 mm | 1.0 mm | 16.5 mm |
| 20 mm | 1.2 mm | 20.5 mm |
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