DIN 7990
Hexagon head bolts with hexagon nut for steel structures
Sechskantschrauben mit Sechskantmutter für Stahlkonstruktionen
Overview
This standard specifies dimensions and technical delivery conditions for M12 to M30 hexagon head bolts of product grade C for use in structural steel bolting. Additional requirements as defined in Annex A may be agreed. Fasteners according to this standard meet all the requirements for non-preloaded structural bolting assemblies as in DIN EN 15048-1. This standard also specifies the nuts and washers to be used with these fasteners.