Ключевые слова: anchor, anchor bolt, background, bolt, brass, building, bulk, concrete, connection, construction, cylinder, dowel, drill, drill bit, equipment, expansion, fix, hammer, hardware, hat, hole, industrial, industry, iron, isolated, metal, metallic, pin, plastic, rotation, screw, screwdriver, screws, spinning, steel, stud, thread, tightly, tool, wall, washer, wedge, work,