Flat washers without chamfer
BN 729
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M2,3: not included in DIN 9021
規範
DIN 9021 (Standard withdrawn)
~ISO 7093
~UNI 6593
~ČSN 021726
其他資訊
Hardness class: 140 HV for ≤ M16 (Product grade A)
Hardness class: 100 HV for > M16 (Product grade C)
Hardness class: 100 HV for > M16 (Product grade C)
產品資訊
| Material |
Material
Steel
|
| Surface |
Surface
zinc plated blue
|
| Hardness |
Hardness
140/100 HV
|