Ключевые слова: automotive, automotive industry, background, black, bolt, car, color, component, connection, element, engineering, fasten, fastener, fastening, fixings, galvanic, gray, industrial, industry, iron, machinery, metal, metal nuts, nut, nuts, objects, one, part, screw connector, screw nut, sharp, small, spare, spare part, spares, spiral, steel, tapped, thread,