ISO 7414:1984

Hexagon nuts for structural bolting with large width across flats, style 1 — Product grade B — Property class 10

Specifies series with metric dimensions and thread sizes from M12 up to including M 36; tabulates general dimensions, specifications and reference standards, proof load values, screw thread limits for tolerance class 6AZ, and for testing nut rotation requirements; gives an example for the designation.