Rivet Nut Size:M3-M12 Material:carbon steel,stainless steel,copper Can be flat head and csk head Body with or without knurl Rivet NutSize:M3-M12Material:carbon steel,stainless steel,copperCan be flat head and csk headBody with or without knurl Surface treatment:Plain, Black, ZP ( white, bluish, Yellow), HDG Blind Rivet nuts provide strong threads in panels too thin to be conventionally tapped or ...