Why is a wide metal ring – a washer – placed under the nut. Why is the washer especially necessary when bolting wooden parts?
| April 26, 2021 | education
The washer increases the footprint. This reduces the pressure on the parts fastened with a bolt and nut.
To protect the wood, fastening the parts with bolts, it is necessary to put washers under the bolt heads and under the nuts, because they reduce the pressure due to their area.
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