Viti a testa svasata piana con esagono incassato, interamente filettate
BN 30105
DIN 7991
(Norma ritirata)
~ISO 10642
~UNI 5933
| Headform |
Headform
Svasata piana 90°
|
| Drive |
Drive
Esagono incassato
|
| Thread |
Thread
interamente filettate
|
| Materiale |
Materiale
Acciaio
|
| Property class |
Property class
08.8 / 8.8 (È determinante la marcatura sulla testa)
|
| Superficie |
Superficie
zincato bianco
|
Alla funktioner
Norm
DIN 7991 (Norma ritirata)
~ISO 10642
~UNI 5933
Mer information
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.
Funktioner
| Headform |
Headform
Svasata piana 90°
|
| Drive |
Drive
Esagono incassato
|
| Thread |
Thread
interamente filettate
|
| Materiale |
Materiale
Acciaio
|
| Property class |
Property class
08.8 / 8.8 (È determinante la marcatura sulla testa)
|
| Superficie |
Superficie
zincato bianco
|
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