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 M20 EN ISO 7090 | — | B - with chamfer | Flat washer | 21 | 37 | M20 | — | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 - 300 HV | 3 | 0 | 0.02 |
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| Stainless washer M20 EN ISO 7090 | — | B - with chamfer | Flat washer | 21 | 37 | M20 | — | X5CrNi18-10 / 1.4301 / 304 / A2 - 140 HV | 3 | 0 | 0.02 |
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| Trimmed flat washer M22 Clipped ASME B18.2.6M | — | — | Trimmed flat washer | 0 | 0 | M22 | — | F436 Type 3, zinc plated | 0 | 0 | 0.06 |
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| Trimmed flat washer M22 Clipped ASME B18.2.6M | — | — | Trimmed flat washer | 0 | 0 | M22 | — | F436 Type 3, hot dip galv. | 0 | 0 | 0.06 |
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| Trimmed flat washer M22 Clipped ASME B18.2.6M | — | — | Trimmed flat washer | 0 | 0 | M22 | — | F436 Type 3 | 0 | 0 | 0.06 |
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| Trimmed flat washer M22 Clipped ASME B18.2.6M | — | — | Trimmed flat washer | 0 | 0 | M22 | — | F436 Type 1, zinc plated | 0 | 0 | 0.06 |
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| Trimmed flat washer M22 Clipped ASME B18.2.6M | — | — | Trimmed flat washer | 0 | 0 | M22 | — | F436 Type 1, hot dip galv. | 0 | 0 | 0.06 |
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| Trimmed flat washer M22 Clipped ASME B18.2.6M | — | — | Trimmed flat washer | 0 | 0 | M22 | — | F436 Type 1 | 0 | 0 | 0.06 |
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| Stainless steel Belleville spring (washer) A140 DIN 2093 | — | A - reinforced | Disc spring | 0 | 0 | A140 | — | X10CrNi18-8 / 1.4310 | 0 | 8 | 0.83 |
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| Stainless washer M16 EN ISO 7090 | — | B - with chamfer | Flat washer | 17 | 30 | M16 | — | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 - 140 HV | 3 | 0 | 0.01 |
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