Split spring lock washers for screws with cylindrical head
BN 774
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規範
DIN 7980 (Standard withdrawn)
~ČSN 021740
其他資訊
表面處理依要求
產品資訊
| Material |
Material
Spring steel
|
| Surface |
Surface
zinc plated blue
|
| 硬度 |
硬度
430-530 HV
|
注意
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