Serrated lock washers type A, external serrations
BN 80024
DIN 6798 A
(Standard withdrawn)
~UNI 8842 A
~ČSN 021745
| Material | 
            Material
            Spring steel
 | 
| Surface | 
            Surface
            zinc plated yellow
 | 
| Hardness | 
            Hardness
            350-425 HV
 | 
All features
Standard
                        DIN 6798 A (Standard withdrawn)
~UNI 8842 A
~ČSN 021745
                    Features
| Material | 
            Material
            Spring steel
 | 
| Surface | 
            Surface
            zinc plated yellow
 | 
| Hardness | 
            Hardness
            350-425 HV
 | 
Warnings
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