Waved spring washers
BN 798
DIN 137 B
(Standard withdrawn)
~UNI 8840 B
~ČSN 021734
| Matière |
Matière
Spring steel
|
| Surface |
Surface
mechanical zinc plated blue
|
| Dureté |
Dureté
420-490 HV
|
Toutes les caractéristiques
Standard
DIN 137 B (Standard withdrawn)
~UNI 8840 B
~ČSN 021734
Caractéristiques
| Matière |
Matière
Spring steel
|
| Surface |
Surface
mechanical zinc plated blue
|
| Dureté |
Dureté
420-490 HV
|