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) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stainless steel oversized washer M4 DIN 9021 | — | — | Oversized washer (body washer) | 4.3 | 12 | M4 | — | X5CrNi18-10 / 1.4301 / 304 / A2 | 1 | 0 |
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| Washer 1 3/8" Type A Wide ASME B18.21.1 | — | Type A | Flat washer | 0 | 0 | — | — | F436 Type 3 | 0 | 0.99 |
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| Washer 1 3/8" Type A Wide ASME B18.21.1 | — | Type A | Flat washer | 0 | 0 | — | — | F436 Type 1, hot dip galv. | 0 | 0.99 |
|
| Washer 1 3/8" Type A Wide ASME B18.21.1 | — | Type A | Flat washer | 0 | 0 | — | — | F436 Type 1, zinc plated | 0 | 0.99 |
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| Washer 1 3/8" Type A Wide ASME B18.21.1 | — | Type A | Flat washer | 0 | 0 | — | — | F436 Type 1 | 0 | 0.99 |
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| Stainless washer M20 DIN 125 A | — | A - without chamfer | Flat washer | 21 | 37 | M20 | — | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 - 300 HV | 3 | 0.02 |
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| Stainless washer M20 DIN 125 A | — | A - without chamfer | Flat washer | 21 | 37 | M20 | — | X5CrNi18-10 / 1.4301 / 304 / A2 - 300 HV | 3 | 0.02 |
|
| Stainless washer M20 DIN 125 A | — | A - without chamfer | Flat washer | 21 | 37 | M20 | — | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 - 200 HV | 3 | 0.02 |
|
| Stainless washer M20 DIN 125 A | — | A - without chamfer | Flat washer | 21 | 37 | M20 | — | X5CrNi18-10 / 1.4301 / 304 / A2 - 200 HV | 3 | 0.02 |
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| Stainless washer M20 DIN 125 A | — | A - without chamfer | Flat washer | 21 | 37 | M20 | — | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 - 140 HV | 3 | 0.02 |
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