M3-M12 Carbon Steel Flat Threaded Rivet Nut, Flange Rivnut, Nutsert, Fastener, Knurled Steel Head Nutserts(M6（100 pcs/pack）)

【High Quality】The flat threaded rivet nut is made from zinc plated carbon steel which provides strength, corrosion and long service life 【Easy to Use】The rivet nut is convenient to install, designed to form a bulge on the back side of the panel as a screw is tightened in its threads 【Advantage】With open end, small flange, round hole, threaded inner wall and partial anti-skid surface, this flat head rivet nut has a good performance as fastener 【Seven Size】There are seven different sizes from M3 to M12 that you can choose as needed for various purposes, can meet you use and replacement 【Package】Each set includes many pieces of rivet nuts so you don't have to go to hardware store searching rivet nuts for a while