The RIVET NUT UNC 5/16"-18 STEEL LARGE FLANGE CROSS BULB features a robust design with a large grip range from .020 to .280 inches. Its pre-bulb shank, equipped with four slots cut into the rivet nut body, enhances pull-out strength, making it ideal for applications in thin sheet metal and plastics. This rivet nut is also suitable for use in oversized holes, ensuring reliable fastening in various industrial settings. Constructed from durable steel, it offers long-lasting performance in demanding environments.