These oversized washers are designed to provide a larger bearing surface when compared to a standard-sized washer. Plate washers are typically used in wood construction and marine applications. They prevent bolt heads and nuts from pulling into the wood.
 
                
             
                                
                             
                                
                             
                                
                             
                                
                             
                                
                             
                                
                             
            
         
                            
                         
                            
                         
                            
                         
                            
                         
                            
                         
                            
                         
                            
                         
                            
                         
                            
                        