Hanson Rivet's Rubber-Nut & J-Nut Threaded Insert Kit - Consists of Over 300 Inserts, from Thread Size 6-32 to 3/8-163/8-16: Amazon.com: Industrial & Scientific
Tacklife 3 in 1 Rivet Gun, 11" Rivet Gun Rivet Nut Tool Reamer with 5 Rivet Heads, Hand Riveter wih TPR Rubber Handle, Steel for Plastic, Metal, Leather, Large & Small Jobs - Walmart.com
90 ASSORTED PIECE M3 M4 M5 M6 M8 BLACK RUBBER RUBNUTS WELL NUT RIVET RIVNUT KIT
Rubber-NUT Threaded Inserts, 1/4"-20 Thread Size.031-.187 Grip Range (Pack of 10): Amazon.com: Industrial & Scientific
DIY: How to Install Rivet Nuts Without Special Tools
Everbilt 1/4 in.-20 tpi x 5/8 in. Brass Expansion Nut 814378 - The Home Depot