Hex nuts with flange and serrations
BN 30312
~DIN 6923
(Standard withdrawn)
~ISO 4161
| Material |
Material
Steel
|
| Property class |
Property class
8
|
| Surface |
Surface
zinc plated blue
|
All features
Standard
~DIN 6923 (Standard withdrawn)
~ISO 4161
Features
| Material |
Material
Steel
|
| Property class |
Property class
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