Rivet Nut include RIBBED, HEX and ROUND series rivet nuts, in both Unified Thread System and Metric Thread System. we have manufactures over a thousand different types of blind rivet nut in steel, aluminum and stainless steel, thread size from M3-M12 in metric and UNC 6-32 to UNC 1/2-13 in inch, we also accept customized order according to sample or drawing.