M3 M4 M5 M6 M8 Rivet Nut Flat Head Thread Rivet Nutsert Cap

The flat head and round shape of the nuts make them easy to install and secure. M8 15pcs rivet nuts. M4 50pcs rivet nuts. M6 20pcs rivet nuts. M5 30pcs rivet nuts. M3 50pcs rivet nuts. The knurled nut makes it easier to insert into the workpiece.