설명
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We recommend DIN 137 B for new construction: BN 796 / BN 798 / BN 800.
Curved spring washers
BN 795Curved spring washers
BN 795- 표준
- DIN 137 A (Standard withdrawn) ~UNI 8840 A ~ČSN 021733
- Material
- Spring steel
- Surface
- black
- Hardness
- 420-490 HV