Expand rivet nuts are installed by expanding the tail inside sheet holes, no welding required. The expanded body tightly locks with panel holes, offering superior pull-out and anti-torque performance, anti-loose under continuous vibration.
Two types available: round Z/ZS type and hex NZ/NZS type (hex design prevents rotation).
Materials: zinc-plated carbon steel, SUS304 stainless steel, full sizes M3-M10 in stock.
Suitable for steel, aluminum and stainless sheets 0.8-3mm thick.
Widely used in auto parts, new energy charging piles, automation machinery, industrial cabinets.
Dongguan Hejie Precision Hardware supplies stock standard parts & custom non-standard fasteners, eco-friendly finishes, EXW & FOB trade terms supported.