Plain washer with outside diameter ≈ 3 x nominal thread diameter DIN 9021 Stainless steel A8 (1.4529)52531
Plain washer ISO 7089 Steel Plain 200 HV38141
Plain washer ISO 7089 Steel Zinc flake 300 HV38101
Plain washer with outside diameter ≈ 3 x nominal thread diameter ISO 7093 Steel ZincFlake38218