Washers are great for adding resistance to your bolts and screws to prevent them from boring into the wood and weakening it. Always use washers with bolts and nuts of similar finish and thread size for the best quality-of-life for the fastener.
|Inside Diameter||:||0.504 in|
|Outside Diameter||:||3/4 in|
|Suitable for||:||1/2 in Screw|