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Hex socket flat countersunk head screws fully threaded

BN 20

DIN 7991

(Standard withdrawn)

~ISO 10642

~UNI 5933



Headform
Headform Countersunk head
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 black

All features

All prices are based on the minimum order quantity. If you have any questions or special requirement, please contact Bossard.

M2; M2,5: not included in DIN 7991


Standard

DIN 7991 (Standard withdrawn) ~ISO 10642 ~UNI 5933

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
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 black