Rondelles ressort pour vis à tête cylindrique
BN 774
DIN 7980
(Standard withdrawn)
~ČSN 021740
| Material | 
            Material
            Spring steel
 | 
| Surface | 
            Surface
            zinc plated blue
 | 
| Hardness | 
            Hardness
            430-530 HV
 | 
Toutes les caractéristiques
Standard
                        DIN 7980 (Standard withdrawn)
~ČSN 021740
                    Informations complémentaires
Other coatings on request.
Caractéristiques
| Material | 
            Material
            Spring steel
 | 
| Surface | 
            Surface
            zinc plated blue
 | 
| Hardness | 
            Hardness
            430-530 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