Serrated lock washers type A, external serrations
BN 20231
DIN 6798 A
(Standard withdrawn)
~UNI 8842 A
~ČSN 021745
| Material |
Material
Spring steel
|
| Surface |
Surface
zinc plated with thick layer passivation
|
| Dureté |
Dureté
350-425 HV
|
Tutte le caratteristiche
Standard
Caratteristiche
| Material |
Material
Spring steel
|
| Surface |
Surface
zinc plated with thick layer passivation
|
| Dureté |
Dureté
350-425 HV
|
Avertissements
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
BN 779 - DIN 6798 A
Rosette elastiche dentate forma A con dentatura esterna sovrapposta - Acciaio per molle - nero
BN 781 - DIN 6798 A
Rosette elastiche dentate forma A con dentatura esterna sovrapposta - Acciaio per molle - zincato bianco
BN 80024 - DIN 6798 A
Rosette elastiche dentate forma A con dentatura esterna sovrapposta - Acciaio per molle - zincato giallo