... delivery Strict QA Check and OEM available Aluminium Made Round Threaded Nut Rivet nuts Basic Product Information: ... 1.Material:carbon steel, aluminium, stainless steel 2.Finish: ... Flat head, small head, csk head4.Body type: round, knurled, hexagon, blind5.Sizes:GB-M3 to M12 ... kind inquiry will be much appreciated. Aluminium Made Round Threaded Nut