DIN 267-31:2020 Fasteners - Technical specifications - Part 31: Metric thread rolling screws of property class 10.9 with additionally hardened thread forming zone
2020DIN 267-31:2020-02 Fasteners - Technical specifications - Part 31: Metric thread rolling screws of property class 10.9 with additionally hardened thread forming zone
2020DIN 267-31:2020 Fasteners - Technical specifications - Part 31: Metric thread rolling screws of property class 10.9 with additionally hardened thread forming zone