Viti a testa svasata piana con cava esalobata, interamente filettate e rivestimento TufLok® a punto
BN 2109
ISO 14581
| Forma della testa |
Forma della testa
Fraisée
|
| Impronta |
Impronta
Six lobes internes
|
| Filettatura |
Filettatura
entièrement filetée
|
| Materiale |
Materiale
Acier
|
| Classe di resistenza |
Classe di resistenza
08.8 / 8.8 (Le marquage de la tête est déterminant)
|
| Superficie |
Superficie
zingué-bleu
|
All features
Standard
ISO 14581
Additional information
Coating angle α in the screw body area approx. 90°. Edge zone (spray transition) up to 180°.
Coating length l1 = ~ 4 to 6 thread turns.
Around 2 to 3 thread turns remain uncoated to ensure flawless installation (l2).
Coating length l1 = ~ 4 to 6 thread turns.
Around 2 to 3 thread turns remain uncoated to ensure flawless installation (l2).
Features
| Forma della testa |
Forma della testa
Fraisée
|
| Impronta |
Impronta
Six lobes internes
|
| Filettatura |
Filettatura
entièrement filetée
|
| Materiale |
Materiale
Acier
|
| Classe di resistenza |
Classe di resistenza
08.8 / 8.8 (Le marquage de la tête est déterminant)
|
| Superficie |
Superficie
zingué-bleu
|
BN 1422 - DIN 7991 - ~ISO 10642
Hex socket flat countersunk head screws fully threaded - Acciaio - 010.9 / 10.9 (È determinante la marcatura sulla testa) - rivestito in lamelle di zinco GEOMET® 500 A
BN 20 - DIN 7991 - ~ISO 10642
Hex socket flat countersunk head screws fully threaded - Steel - 010.9 / 10.9 (The head marking is determining) - black
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
BN 30105 - DIN 7991 - ~ISO 10642
Hex socket flat countersunk head screws fully threaded - Steel - 08.8 / 8.8 (The head marking is determining) - zinc plated blue