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) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oversized washer M10 DIN 9021 | — | — | Oversized washer (body washer) | 10.5 | 30 | M10 | — | 140 HV | 2.5 | 0 | 0.01 |
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| Belleville washer (Washer) B8 DIN 2093 | — | B - standard | Disc spring | 0 | 0 | B8 | — | 51CrV4 / 1.8159 | 0 | 0.3 | 0 |
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| Spring washer M27 DIN 127 A | — | A - sharp edges | Spring washer (grover) | 28.5 | 43 | M27 | — | FSt, zinc flake | 13 | 5 | 0.03 |
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| Spring washer M27 DIN 127 A | — | A - sharp edges | Spring washer (grover) | 28.5 | 43 | M27 | — | FSt, zinc plated | 13 | 5 | 0.03 |
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| Spring washer M27 DIN 127 A | — | A - sharp edges | Spring washer (grover) | 28.5 | 43 | M27 | — | FSt | 13 | 5 | 0.03 |
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| Oblique wedge washer M30 taper 8% DIN 6918 | — | — | Square bevel washer | 31 | 0 | M30 | — | C45 / 1.0530, hot dip galv. | 0 | 0 | 0.16 |
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| Oblique wedge washer M30 taper 8% DIN 6918 | — | — | Square bevel washer | 31 | 0 | M30 | — | 300 HV, zinc plated | 0 | 0 | 0.16 |
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| Oblique wedge washer M30 taper 8% DIN 6918 | — | — | Square bevel washer | 31 | 0 | M30 | — | 300 HV, hot dip galv. | 0 | 0 | 0.16 |
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| Stainless steel toothed washer M4 DIN 6798 A | — | A - external teeth | Toothed washer | 4.3 | 8 | M4 | — | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 | 1.5 | 0.5 | 0 |
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| Stainless steel spring washer M6 DIN 7980 | — | — | Spring washer | 6.1 | 9.9 | M6 | — | X5CrNiMo17-12-2 / 1.4401 / 316 / A4 | 3.2 | 1.6 | 0 |
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