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) | Weight 1 pc (kg) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Flat washer M16 Wide ASME B18.22M | — | — | Flat washer | 0 | 0 | M16 | — | F436 Type 1, hot dip galv. | 0 | 0.01 |
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| Flat washer M16 Wide ASME B18.22M | — | — | Flat washer | 0 | 0 | M16 | — | F436 Type 1 | 0 | 0.01 |
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| Washer M30 EN ISO 7089 | — | A - without chamfer | Flat washer | 31 | 56 | M30 | — | 25CrMo4 / 1.7218 | 4 | 0.05 |
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| Washer M30 EN ISO 7089 | — | A - without chamfer | Flat washer | 31 | 56 | M30 | — | C45E / 1.1191 | 4 | 0.05 |
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| Washer M30 EN ISO 7089 | — | A - without chamfer | Flat washer | 31 | 56 | M30 | — | 300 HV, zinc flake | 4 | 0.05 |
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| Washer M30 EN ISO 7089 | — | A - without chamfer | Flat washer | 31 | 56 | M30 | — | 300 HV, hot dip galv. | 4 | 0.05 |
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| Washer M30 EN ISO 7089 | — | A - without chamfer | Flat washer | 31 | 56 | M30 | — | 300 HV | 4 | 0.05 |
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| Washer M30 EN ISO 7089 | — | A - without chamfer | Flat washer | 31 | 56 | M30 | — | 200 HV, zinc plated | 4 | 0.05 |
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| Washer M30 EN ISO 7089 | — | A - without chamfer | Flat washer | 31 | 56 | M30 | — | 200 HV, zinc flake | 4 | 0.05 |
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| Washer M30 EN ISO 7089 | — | A - without chamfer | Flat washer | 31 | 56 | M30 | — | 200 HV, hot dip galv. | 4 | 0.05 |
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