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 steel Belleville spring (washer) B16 DIN 2093 | — | B - standard | Disc spring | 0 | 0 | B16 | — | X10CrNi18-8 / 1.4310 | 0 | 0.6 | 0 |
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| Stainless steel spring washer M30 ASME B18.21.2M | — | — | Spring washer (grover) | 0 | 0 | M30 | — | AISI 304 | 0 | 0 | 0.05 |
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| Stainless steel spring washer M30 ASME B18.21.2M | — | — | Spring washer (grover) | 0 | 0 | M30 | — | AISI 316 | 0 | 0 | 0.05 |
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| Belleville washer (Washer) B71 DIN 2093 | — | B - standard | Disc spring | 0 | 0 | B71 | — | 51CrV4 / 1.8159 | 0 | 2.5 | 0.06 |
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| Stainless steel toothed washer M5 DIN 6798 V | — | V - for countersunk screws | Toothed washer | 5.3 | 9.8 | M5 | — | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 | 0 | 0.3 | 0 |
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| Spring washer 5/16" ASME B18.21.1 | — | — | Spring washer (grover) | 0 | 0 | — | — | J404 | 0 | 0 | 0 |
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| Spring washer 5/16" ASME B18.21.1 | — | — | Spring washer (grover) | 0 | 0 | — | — | J403 | 0 | 0 | 0 |
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| Spring washer 5/16" ASME B18.21.1 | — | — | Spring washer (grover) | 0 | 0 | — | — | Gr. 8 | 0 | 0 | 0 |
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| Toothed washer M5 DIN 6798 J | — | J - internal teeth | Toothed washer | 5.3 | 10 | M5 | — | FSt | 1.8 | 0.6 | 0 |
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| Spring washer 2 1/4" ASME B18.21.1 | — | — | Spring washer (grover) | 0 | 0 | — | — | J404 | 0 | 0 | 0.18 |
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