Washers
Washers are flat fastening elements in the shape of a disk or ring, installed between the bearing surface of a nut and the surface of the connected part. Their main purpose is to evenly distribute the clamping load created by the fastening element, prevent mechanical damage to the surfaces of the connected components, and reduce the likelihood of unintentional loosening of the threaded connection due to vibrations or other factors.
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| Name | Compound | Execution | Fastener type | Inner diameter, d1 (mm) | Outer diameter, d2 (mm) | Size | Standard | Steel grade | Washer height, h (mm) | Washer thickness, s (mm) | Weight 1 pc (kg) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Washer M22 EN ISO 7089 | — | A - without chamfer | Flat washer | 23 | 39 | M22 | — | 140 HV, hot dip galv. | 3 | 0 | 0.02 |
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| Washer M22 EN ISO 7089 | — | A - without chamfer | Flat washer | 23 | 39 | M22 | — | 140 HV | 3 | 0 | 0.02 |
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| Stainless steel Belleville spring (washer) B35,5 DIN 2093 | — | B - standard | Disc spring | 0 | 0 | B35,5 | — | X10CrNi18-8 / 1.4310 | 0 | 1.25 | 0.01 |
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| Toothed washer M7 DIN 6798 A | — | A - external teeth | Toothed washer | 7.4 | 12.5 | M7 | — | FSt | 2.4 | 0.8 | 0 |
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| Washer M3 EN ISO 7089 | — | A - without chamfer | Flat washer | 3.2 | 7 | M3 | — | 25CrMo4 / 1.7218 | 0.5 | 0 | 0 |
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| Washer M3 EN ISO 7089 | — | A - without chamfer | Flat washer | 3.2 | 7 | M3 | — | C45E / 1.1191 | 0.5 | 0 | 0 |
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| Washer M3 EN ISO 7089 | — | A - without chamfer | Flat washer | 3.2 | 7 | M3 | — | 300 HV, zinc flake | 0.5 | 0 | 0 |
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| Washer M3 EN ISO 7089 | — | A - without chamfer | Flat washer | 3.2 | 7 | M3 | — | 300 HV, hot dip galv. | 0.5 | 0 | 0 |
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| Washer M3 EN ISO 7089 | — | A - without chamfer | Flat washer | 3.2 | 7 | M3 | — | 300 HV | 0.5 | 0 | 0 |
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| Washer M3 EN ISO 7089 | — | A - without chamfer | Flat washer | 3.2 | 7 | M3 | — | 200 HV, zinc plated | 0.5 | 0 | 0 |
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