Vis à tête cylindrique à six pans creux, partiellement filetées
BN 2271
DIN 912
(Standard withdrawn)
ISO 4762
~UNI 5931
~ČSN 021143
| Headform | 
            Headform
            Cylindrical
 | 
| Drive | 
            Drive
            Hexagon socket
 | 
| Thread | 
            Thread
            partially threaded
 | 
| Material | 
            Material
            Steel
 | 
| Property class | 
            Property class
            10.9
 | 
| Surface | 
            Surface
            black
 | 
All features
M18, M22, M27: not included in ISO 4762
Standard
                        DIN 912 (Standard withdrawn)
ISO 4762
~UNI 5931
~ČSN 021143
                    Features
| Headform | 
            Headform
            Cylindrical
 | 
| Drive | 
            Drive
            Hexagon socket
 | 
| Thread | 
            Thread
            partially threaded
 | 
| Material | 
            Material
            Steel
 | 
| Property class | 
            Property class
            10.9
 | 
| Surface | 
            Surface
            black
 |