Ключевые слова: accessory, background, bolt, bolt thread, chrome, close to, close up, closeup, construction, engineering, equipment, factory, fasten, fasteners, galvanized, hardware, head, hex, hexagon, industrial, industry, iron, isolated, item, machine, machinery, mechanic, metal, metallic, new, nut, nuts, object, one, part, reflection, screw, shiny, silver, single, small, stainless, steel, thread, tool, work, workshop,