Made of heavy duty iron which provides strength practicability and long service life.Features:Rivet nuts are made from heavy duty iron which provides strength and long service life.With open end small flange round hole threaded inner wall and partial anti-skid surface these flat head rivet nut has a good performance of fastener function.Each size includes many pieces of rivet nuts so you don't have to go to hardware store searching rivet nuts for a while.Comes with a rivet gun and many mandrels and nosepieces for convenient riveting.Specifications:Rivet nut material: steel aluminum alloyNut thread size: M-3 M-4 M-5 M-6 M-8Rivet gun size: 100 * 270 *30mm / 3.9 * 10.6 * 1.2inPackage size: 305 * 145 * 40mm / 12.0 * 5.7 * 1.6inPackage weight: 1256g / 2.8lbPackage list:20 * M-3 Rivet Nuts20 * M-4 Rivet Nuts20 * M-5 Rivet Nuts10 * M-6 Rivet Nuts10 * M-8 Rivet Nuts5 * Mandrels and Nosepieces (M-3 M-4 M-5 M-6 M-8)1 * Rivet Gun
