ISO 7413 - 1984 熱鍍鋅1 型(超尺寸攻絲)結構栓接用六角螺母 Hexagon Nuts For Structural Bolting, Style 1, Hot-dip Galvanized(Oversize Tapped)—Product Grades A And B—Property Classes 5,6 And 8
ISO 7417 - 1984 鋼結構栓連接用2型熱浸鍍鋅六角螺母 9級 Hexagon Nuts For Structural Bolting—Style 2,Hot-Dip Galvanized(Oversize Tapped)-Product Grade A—Property Class 9