100Pcs Multi Size Rivet Nuts Stainless Steel Rivnuts Blindnuts Nutserts Nuts Insert Rivet M3 M4 M5 M6 M8 M10 M12

- Made from zinc plated carbon steel which provides strength, corrosion protection and long service life. - With end, small flange, round hole, threaded inner wall and partial anti-skid , this flat head rivet nut has a good performance as fastener. - Convenient to install, designed to form a bulge on the back side of the panel as a screw is tightened in its threads. - There are seven different sizes from M3 to M12 that you can choose as needed for various purposes. - Each set includes many pieces of rivet nuts so you don't have to go to hardware store searching rivet nuts for a while.