Curved spring washers
BN 797
DIN 137 A
(Standard withdrawn)
~UNI 8840 A
~ČSN 021733
| Material | 
            Material
            Spring steel
 | 
| Surface | 
            Surface
            mechanical zinc plated blue
 | 
| Hardness | 
            Hardness
            420-490 HV
 | 
All features
All prices are based on the minimum order quantity. If you have any questions or special requirement, please contact Bossard.
Standard
                        DIN 137 A (Standard withdrawn)
~UNI 8840 A
~ČSN 021733
                    Additional information
We recommend DIN 137 B for new construction: BN 796 / BN 798 / BN 800
Features
| Material | 
            Material
            Spring steel
 | 
| Surface | 
            Surface
            mechanical zinc plated blue
 | 
| Hardness | 
            Hardness
            420-490 HV
 |