Flat washers without chamfer, for screws up to property class 8.8
BN 20734Flat washers without chamfer, for screws up to property class 8.8
BN 20734- 표준
- ISO 7089 DIN 125 A ~UNI 6592 ~ČSN 021702
- Material
- Steel
- Surface
- Zinc flake coated ISO 10683/flZnL/nc/480h/C
- Hardness
- 200 HV