Slotted flat countersunk head machine screws
BN 538
~DIN 963 A
(Standard withdrawn)
~ISO 2009
~UNI 6109
~ČSN 021151
| Headform | 
                               
            Headform
            Countersunk head 90°
 
     | 
                    
| Drive | 
                               
            Drive
            Slot
 
     | 
                    
| Thread | 
                               
            Thread
            fully threaded
 
     | 
                    
| Material | 
                               
            Material
            Brass
 
     | 
                    
| Surface | 
                               
            Surface
            nickel plated
 
     | 
                    
All features
Standard
                        ~DIN 963 A (Standard withdrawn)
~ISO 2009
~UNI 6109
~ČSN 021151
                    Features
| Headform | 
                               
            Headform
            Countersunk head 90°
 
     | 
                    
| Drive | 
                               
            Drive
            Slot
 
     | 
                    
| Thread | 
                               
            Thread
            fully threaded
 
     | 
                    
| Material | 
                               
            Material
            Brass
 
     | 
                    
| Surface | 
                               
            Surface
            nickel plated
 
     |