BN 20369 | ISO 7089-DIN 125 AFlat washers without chamfer, for screws up to property class 10.9Steel, Zinc flake coated ISO 10683/flZnL/nc/480h/C
BN 20729 | ISO 7089-DIN 125 AFlat washers without chamfer, for screws up to property class 10.9Steel, hot dip galvanized