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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(Standard withdrawn)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
Hardness
Hardness 350-425 HV

All features


Standard

DIN 6798 A (Standard withdrawn) ~UNI 8842 A ~ČSN 021745

Features

Material
Material Spring steel
Surface
Surface zinc plated with thick layer passivation
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