Curved spring washers
BN 799
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規範
DIN 137 A (Standard withdrawn)
~UNI 8840 A
~ČSN 021733
其他資訊
We recommend DIN 137 B for new construction: BN 796 / BN 798 / BN 800
產品資訊
| Material |
Material
Spring steel
|
| Surface |
Surface
mechanical zinc plated yellow
|
| Hardness |
Hardness
420-490 HV
|