Ribbed lock washers
BN 792
| Material | 
                               
            Material
            Spring steel
 
     | 
                    
| Surface | 
                               
            Surface
            mechanical zinc plated blue
 
     | 
                    
| Hardness | 
                               
            Hardness
            380-510 HV
 
     | 
                    
All features
Additional information
For screws property classes ≤ 8.8
Features
| Material | 
                               
            Material
            Spring steel
 
     | 
                    
| Surface | 
                               
            Surface
            mechanical zinc plated blue
 
     | 
                    
| Hardness | 
                               
            Hardness
            380-510 HV
 
     |