Rivet nuts Basic Product Information: 1.Material:carbon steel, aluminium, stainless steel 2.Finish:Zinc Blue,Zinc Yellow,Zinc Clear, Nickel Flash 3.Head shape: Flat head, small head, csk head 4.Body type: round, knurled, hexagon, blind 5.Sizes:GB-M3 to M12 with metric standard threads UNC 6-32, 8-32, 10-24. 1/4-20. 5/16-18, 3/8-16. UNF 10-32 BS-5/32, 3/16 Functions: 1.Particularly suitable for use in materials which are too thin to accomodate a tapped thread. 2.Can be widely used in the industries such as air condition, car, high-speed rail or light rail coach, elevator, switch, instrument, BBQ grill, medical equipment, sports equipment, electric cooker and etc.