Serrated lock washers type J, internal serrations
BN 780
DIN 6798 J
(Standard withdrawn)
~UNI 8842 J
~ČSN 021746
| Material |
Material
Spring steel
|
| Surface |
Surface
black
|
| Hardness |
Hardness
350-425 HV
|
All features
M5a; M8a: for hex head screws
Standard
DIN 6798 J (Standard withdrawn)
~UNI 8842 J
~ČSN 021746
Features
| Material |
Material
Spring steel
|
| Surface |
Surface
black
|
| Hardness |
Hardness
350-425 HV
|