Split spring lock washers for screws with cylindrical head
BN 1373
DIN 7980
(Standard withdrawn)
~ČSN 021740
| Material | 
                               
            Material
            Spring steel
 
     | 
                    
| Surface | 
                               
            Surface
            black
 
     | 
                    
| Hardness | 
                               
            Hardness
            430-530 HV
 
     | 
                    
All features
Standard
                        DIN 7980 (Standard withdrawn)
~ČSN 021740
                    Additional information
Other coatings on request.
Features
| Material | 
                               
            Material
            Spring steel
 
     | 
                    
| Surface | 
                               
            Surface
            black
 
     | 
                    
| Hardness | 
                               
            Hardness
            430-530 HV
 
     |