Flat washers without chamfer, large series, for screws up to property class 8.8
BN 20735Flat washers without chamfer, large series, for screws up to property class 8.8
BN 20735- 표준
- ISO 7093-1 ~DIN 9021 ~UNI 6593 ~ČSN 021726
- Material
- Steel
- Surface
- Zinc flake coated ISO 10683/flZnL/nc/480h/C
- Hardness
- 200 HV