Serrated lock washers type A, external serrations
BN 20231
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規範
產品資訊
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
BN 779 - DIN 6798 A
Serrated lock washers type A, external serrations - Spring steel - black
BN 781 - DIN 6798 A
Serrated lock washers type A, external serrations - Spring steel - zinc plated blue
BN 80024 - DIN 6798 A
Serrated lock washers type A, external serrations - Spring steel - zinc plated yellow