Ключевые слова: assembly, assembly components, assembly materials, bolts, collection, construction, construction materials, construction tools, engineering, engineering materials, fasteners, fastening solutions, fastening system, hardware, hardware collection, industrial, industrial components, industrial hardware, industrial tools, manufacturing, manufacturing materials, mechanical, mechanical engineering, mechanical hardware, mechanical parts, metal, metal fasteners, nut and bolt assortment, nut and bolt set, nuts, steel, steel components, steel construction, steel nuts and bolts, tools,