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) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stainless washer M12 DIN 125 A | — | A - without chamfer | Flat washer | 13 | 24 | M12 | — | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 - 200 HV | 2.5 | 0 | 0.01 |
|
| Stainless washer M12 DIN 125 A | — | A - without chamfer | Flat washer | 13 | 24 | M12 | — | X5CrNi18-10 / 1.4301 / 304 / A2 - 200 HV | 2.5 | 0 | 0.01 |
|
| Stainless washer M12 DIN 125 A | — | A - without chamfer | Flat washer | 13 | 24 | M12 | — | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 - 140 HV | 2.5 | 0 | 0.01 |
|
| Stainless washer M12 DIN 125 A | — | A - without chamfer | Flat washer | 13 | 24 | M12 | — | X5CrNi18-10 / 1.4301 / 304 / A2 - 140 HV | 2.5 | 0 | 0.01 |
|
| Stainless steel spring washer M52 DIN 127 B | — | B - smooth edges | Spring washer (grover) | 54.5 | 83 | M52 | — | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 | 18.9 | 8 | 0.19 |
|
| Stainless steel spring washer M52 DIN 127 B | — | B - smooth edges | Spring washer (grover) | 54.5 | 83 | M52 | — | X5CrNi18-10 / 1.4301 / 304 / A2 | 18.9 | 8 | 0.19 |
|
| Stainless washer M20 EN ISO 7089 | — | A - without chamfer | Flat washer | 21 | 37 | M20 | — | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 - 140 HV | 3 | 0 | 0.02 |
|
| Stainless washer M20 EN ISO 7089 | — | A - without chamfer | Flat washer | 21 | 37 | M20 | — | X5CrNi18-10 / 1.4301 / 304 / A2 - 200 HV | 3 | 0 | 0.02 |
|
| Stainless washer M20 EN ISO 7089 | — | A - without chamfer | Flat washer | 21 | 37 | M20 | — | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 - 200 HV | 3 | 0 | 0.02 |
|
| Stainless washer M20 EN ISO 7089 | — | A - without chamfer | Flat washer | 21 | 37 | M20 | — | X5CrNi18-10 / 1.4301 / 304 / A2 - 300 HV | 3 | 0 | 0.02 |
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