Hex socket flat countersunk head screws fully threaded
BN 1422
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(Standard withdrawn)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
010.9 / 10.9 (The head marking is determining)
|
| Surface |
Surface
Zinc flake coated ISO 10683/flZnL/nc/480h/C (µ=0.12-0.18)
|
All features
All prices are based on the minimum order quantity. If you have any questions or special requirement, please contact Bossard.
Standard
Additional 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.
Features
| Headform |
Headform
Countersunk head 90°
|
| Drive |
Drive
Hexagon socket
|
| Thread |
Thread
fully threaded
|
| Material |
Material
Steel
|
| Property class |
Property class
010.9 / 10.9 (The head marking is determining)
|
| Surface |
Surface
Zinc flake coated ISO 10683/flZnL/nc/480h/C (µ=0.12-0.18)
|
Assembly notice
The designation system according to ISO 10683 defines the expected corrosion protection and the friction coefficient range. Further performance specifications of a coating brand used are not specified. Additional thread coating may limit the ability to install zinc flake coated screws < M5 by hand.
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 2103 - ISO 10642 - ~DIN 7991
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)