Hex socket flat countersunk head screws fully threaded
BN 30105
DIN 7991
(Standard withdrawn)
~ISO 10642
~UNI 5933
| Headform | 
            Headform
            Countersunk head 90°
 | 
| Drive | 
            Drive
            Hexagon socket
 | 
| Thread | 
            Thread
            fully threaded
 | 
| Material | 
            Material
            Steel
 | 
| Property class | 
            Property class
            08.8 / 8.8 (The head marking is determining)
 | 
| Surface | 
            Surface
            zinc plated blue
 | 
Alle Eigenschaften
Norm
Zusätzliche Informationen
Fasteners to the given specification have a reduced loadability due to the head geometry according to ISO 898-1.
The general change-over from DIN 7991 to ISO 10642 in the practice requires a verification of the application.
Eigenschaften
| Headform | 
            Headform
            Countersunk head 90°
 | 
| Drive | 
            Drive
            Hexagon socket
 | 
| Thread | 
            Thread
            fully threaded
 | 
| Material | 
            Material
            Steel
 | 
| Property class | 
            Property class
            08.8 / 8.8 (The head marking is determining)
 | 
| Surface | 
            Surface
            zinc plated blue
 | 
BN 1422 - DIN 7991 - ~ISO 10642
Hex socket flat countersunk head screws fully threaded - Steel - 010.9 / 10.9 (The head marking is determining) - Zinc flake coated ISO 10683/flZnL/nc/480h/C (µ=0.12-0.18)
BN 21 - DIN 7991 - ~ISO 10642
Hex socket flat countersunk head screws fully threaded - Steel - 010.9 / 10.9 (The head marking is determining) - zinc plated blue