EN 14399-1:2015 High-strength structural bolting assemblies for preloading - Part 1: General requirements | High-strength structural bolting assemblies for preloading: Bolts Nuts, Washers Class of bolt/nut assembly: 8.8/8, 10.9/10 | System 2+ |
EN 15048-1:2007 Non-preloaded structural bolting assemblies - Part 1: General requirements | Non-preloaded structural bolting assemblies: Bolts - Bolts made of carbon steel and alloy steel -class 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 10.9 - Bolts made of austenitic stainless steel - class 50, 70, 80 Nuts - Nuts made of carbon steel and alloy steel -class 4, 5, 6, 8, 10, 12; - Nuts made of austenitic stainless steel - class 50, 70, 80; Washers: hardness class HV 100 or HV 200 | System 2+ |