NF E25-100-5*NF EN ISO 898-5:2012 Mechanical properties of fasteners made of carbon steel and alloy steel - Part 5 : set screws and similar threaded fasteners with specified hardness classes - Coarse thread and fine pitch thread.
1998NF E25-100-5:1998 Mechanical properties of fasteners made of carbon steel and alloy steel. Part 5 : set screws and similar threaded fasteners not under tensile stresses.