Hex socket flat countersunk head screws fully threaded

BN 21
Overlay

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Hex socket flat countersunk head screws fully threaded

BN 21
표준
DIN 7991 (Standard withdrawn) ~ISO 10642 ~UNI 5933
Headform
Countersunk head 90°
Drive
Hexagon socket
Thread
fully threaded
Material
Steel
Property class
010.9 / 10.9 (The head marking is determining)
Surface
zinc plated blue

설명

추가 정보

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.

안전 지침

운송 및 보관

ISO 4042

Quenched and tempered fasteners ≥ 360 HV and tempered case-hardened fasteners with electroplated coatings: Susceptible to hydrogen embrittlement!

Further notice to residual risks can be found on our web page: Notes on use

변형

CAD