Split spring lock washers with flat end
BN 20430
DIN 127 B
(Standard withdrawn)
~UNI 1751 B
~ČSN 021741
| Material |
Material
Spring steel
|
| Surface |
Surface
zinc plated blue
|
Toutes les caractéristiques
Standard
DIN 127 B (Standard withdrawn)
~UNI 1751 B
~ČSN 021741
Informations complémentaires
Per i nuovi progetti si raccomanda l'impiego di rosette elastiche bombate a norma DIN 128 A : BN 768 / BN 769 / BN 770
Rosette elastiche spaccate per viti con filettatura UNC, UNF e Ww: BN 767
Fornibili a richiesta con altre tipologie di trattamento superficiale.
Rosette elastiche spaccate per viti con filettatura UNC, UNF e Ww: BN 767
Fornibili a richiesta con altre tipologie di trattamento superficiale.
Caractéristiques
| Material |
Material
Spring steel
|
| Surface |
Surface
zinc plated blue
|
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