Waved spring washers
BN 798
DIN 137 B
(Standard withdrawn)
~UNI 8840 B
~ČSN 021734
| Material | 
                               
            Material
            Spring steel
 
     | 
                    
| Surface | 
                               
            Surface
            mechanical zinc plated blue
 
     | 
                    
| Hardness | 
                               
            Hardness
            420-490 HV
 
     | 
                    
Alla funktioner
Norm
                        DIN 137 B (Standard withdrawn)
~UNI 8840 B
~ČSN 021734
                    Funktioner
| Material | 
                               
            Material
            Spring steel
 
     | 
                    
| Surface | 
                               
            Surface
            mechanical zinc plated blue
 
     | 
                    
| Hardness | 
                               
            Hardness
            420-490 HV
 
     | 
                    
BN 796 - DIN 137 B
Waved spring washers - Spring steel - black
BN 800 - DIN 137 B
Waved spring washers - Spring steel - mechanical zinc plated yellow
BN 83727 - NFE 27-620 - ~DIN 137 B
ONDUFLEX B - Waved spring washers - Spring steel - zinc plated with thick layer passivation
BN 83728 - NFE 27-620 - ~DIN 137 B
ONDUFLEX B - Waved spring washers - Spring steel - zinc plated blue