DIN EN ISO 898-3 : 2021 Title: Fasteners - Mechanical properties of fasteners made of carbon steel and alloy steel - Part 3: Flat washers with specified property classes (ISO 898-3:2018 + Amd 1:2020) (includes Amendment A1:2021) Year: 2021 Publisher: DIN Media GmbH Availability: Within 1-2 working days