Round head square neck bolts without hex nuts
BN 645
DIN 603
~UNI 5732
~ČSN 021319
| Headform | 
            Headform
            Round with square neck
 | 
| Thread | 
            Thread
            partially threaded
 | 
| Material | 
            Material
            Stainless steel
 | 
| Material type | 
            Material type
            A2
 | 
All features
b: the partially threaded version can not always be guaranteed
Standard
                        DIN 603
~UNI 5732
~ČSN 021319
                    Additional information
At manufacturer's option, the diameter of the shaft may correspond with the pitch diameter
Features
| Headform | 
            Headform
            Round with square neck
 | 
| Thread | 
            Thread
            partially threaded
 | 
| Material | 
            Material
            Stainless steel
 | 
| Material type | 
            Material type
            A2
 |