M3-M12 Carbon Steel Flat Threaded Rivet Nut Flange Rivnut Nutsert Fastener,Pack of 100/20Pcs (M5/100pcs) Nut

【APPLICATION】The rivet screw often has a built-in feature, such as a slot, to aid in tightening the fastener,is the piece that goes between the individual nutsert and the nose of the installation tool. 【CONVENIENT TO INSTALL】Designed to form a bulge on the back side of the panel as a screw is tightened in its threads. 【FEATURES】With open end, small flange, round hole, threaded inner wall and partial anti-skid surface, this flat head rivet nut has a good performance of fastener function 【EACH SET INCLUDES DIFFERENT SIZES】There are various sizes, M3, M4, M5, M6, M8,M10,M12, for choices,so you don't have to go to hardware store searching rivet nuts for a while. 【MATERIAL】Crafted from 304 stainless steel providing strength, it has a sturdy body with no rusting properties.