Ключевые слова: box, cardboard, construction, engineering, equipment, hardware, hardware equipment, hardware items, hardware parts, hardware shop, hex nuts, hex sided, industries, industry, iron, iron ware, lock, mechanic, metal, metal parts, nuts, nuts types, object, parts, repair, screw nuts, silver, spanner nuts, standard nut, steel, steel part, thread, thread connection, threaded nut, work, wrench nuts,