Hexalobular (6 Lobe) socket spacer screws
BN 20921
| Drive | 
                               
            Drive
            Hexalobular socket
 
     | 
                    
| Material | 
                               
            Material
            Steel
 
     | 
                    
| Surface | 
                               
            Surface
            zinc plated blue, added lubricant
 
     | 
                    
All features
Features
| Drive | 
                               
            Drive
            Hexalobular socket
 
     | 
                    
| Material | 
                               
            Material
            Steel
 
     | 
                    
| Surface | 
                               
            Surface
            zinc plated blue, added lubricant
 
     |