Serrated hex flange head cap screws
BN 20170
~DIN 6921
(Standard withdrawn)
Headform |
Headform
Hexagonal with flange
|
Drive |
Drive
Hexagon
|
Thread |
Thread
fully threaded
|
Material |
Material
Steel
|
Property class |
Property class
8.8
|
Surface |
Surface
zinc plated blue
|
All features
All prices are based on the minimum order quantity. If you have any questions or special requirement, please contact Bossard.
Standard
~DIN 6921 (Standard withdrawn)
Features
Headform |
Headform
Hexagonal with flange
|
Drive |
Drive
Hexagon
|
Thread |
Thread
fully threaded
|
Material |
Material
Steel
|
Property class |
Property class
8.8
|
Surface |
Surface
zinc plated blue
|
Functional principle
1. Tightening: teeth penetrate the surface
2. Loosening: teeth shear off material
3. Surface condition after loosening