Serrated lock washers type J, internal serrations
BN 782
DIN 6798 J
(Standard withdrawn)
~UNI 8842 J
~ČSN 021746
| Material |
Material
Spring steel
|
| Surface |
Surface
zinc plated blue
|
| 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DIN 6798 J (Standard withdrawn)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
zinc plated blue
|
| Hardness |
Hardness
350-425 HV
|
Warnings
ISO 4042
Quenched and tempered fasteners ≥ 360 HV and tempered case-hardened fasteners with electroplated coatings: Susceptible to hydrogen embrittlement!
Further notice to residual risks can be found on our web page: Notes on use