Wave Washer
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WhatsApp us Get a Quote +91 90333 11425 Download catalogue (PDF)A wave washer is a flat ring formed into gentle waves. When it is compressed, it acts as a light spring that takes up end play, absorbs vibration and keeps parts under light, even pressure. The common standard is DIN 137.
Key dimensions of wave washers to DIN 137 form B in common sizes, in mm.
| Bolt size | Inner diameter | Outer diameter | Thickness | Free height (max) |
|---|---|---|---|---|
| M8 | 8.4 | 15 | 0.8 | 3.0 |
| M10 | 10.5 | 21 | 1.0 | 4.2 |
| M12 | 13 | 24 | 1.2 | 5.0 |
| M16 | 17 | 30 | 1.6 | 6.4 |
| M20 | 21 | 36 | 1.6 | 7.4 |
| M24 | 25 | 44 | 1.8 | 8.2 |
Typical dimensions as per DIN 137 (form B); refer to the standard for tolerances.
A wave washer gives a light, even preload and takes up play. A spring washer is stiffer and is used under nuts to resist loosening.
Not reliably. It keeps light pressure on the joint, but it is not a locking washer. Where there is vibration, use a wedge lock washer or a nylock nut.
It is the height of the washer before it is compressed. As the nut is tightened, the waves flatten and push back like a light spring. Once the washer is pressed fully flat, it no longer acts as a spring.
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