Slotted flat countersunk head screws machined
BN 406
DIN 963 A
(Standard withdrawn)
~UNI 6109
~ČSN 021151
| Headform | 
                               
            Headform
            Countersunk head 90°
 
     | 
                    
| Drive | 
                               
            Drive
            Slot
 
     | 
                    
| Thread | 
                               
            Thread
            fully threaded
 
     | 
                    
| Material | 
                               
            Material
            Free-cutting steel
 
     | 
                    
| Surface | 
                               
            Surface
            plain
 
     | 
                    
All features
Standard
                        DIN 963 A (Standard withdrawn)
~UNI 6109
~ČSN 021151
                    Additional information
Advantages of machined screws:
Sharp edges, chamfered thread ends, extremely small diameters possible.
All lengths fully threaded
Features
| Headform | 
                               
            Headform
            Countersunk head 90°
 
     | 
                    
| Drive | 
                               
            Drive
            Slot
 
     | 
                    
| Thread | 
                               
            Thread
            fully threaded
 
     | 
                    
| Material | 
                               
            Material
            Free-cutting steel
 
     | 
                    
| Surface | 
                               
            Surface
            plain
 
     | 
                    
BN 357 - DIN 963 A - ~ISO 2009
Slotted flat countersunk head machine screws - Steel - 4.8 - zinc plated blue
BN 359 - DIN 963 A - ~ISO 2009
Slotted flat countersunk head machine screws - Steel - 4.8 - zinc plated yellow
BN 654 - DIN 963 A - ~ISO 2009
Slotted flat countersunk head machine screws - Stainless steel - A2
BN 655 - DIN 963 A - ~ISO 2009
Slotted flat countersunk head machine screws - Stainless steel - A4