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(Standard withdrawn)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
|
Toutes les caractéristiques
Standard
DIN 137 A (Standard withdrawn)
~UNI 8840 A
~ČSN 021733
Informations complémentaires
Nous recommandons DIN 137 B pour de nouvelles constructions: BN 796 / BN 798 / BN 800
Caractéristiques
| Material |
Material
Spring steel
|
| Surface |
Surface
mechanical zinc plated blue
|
| Hardness |
Hardness
420-490 HV
|