150PCS Mandrel Rivet Nut Gun M3 M4 M5 M6 M8 Thread Insert Stainless Steel Rivet Nut with Threaded Retainer Tools Clamping Lever

z 56  hl 6.8 100pcs M3-M12 aluminum Multi Flat Head Metric Thread Blind Rivet Nut Insert Rivnut Nutsert Screw Package Included: 1 x 100PCS Rivet Nuts With Box(M3,M4, M5, M6, M8 ) M3:30PCS M4:30PCS M5:20PCS M6:10PCS M8:10PCS Description: Made of aluminum alloy, threads can be mounted on many different materials, including steel, plastic and fiberglass. This nutsert has a flange to provide increased strength in punched and drilled holes. Sturdy and durable: the chamfer on the nut body makes the nut easier to insert into the work piece, nuts have a work-hardened surface providing high-strength, load-bearing threads Stripe body provides a higher resistance to spin out when installed in soft materials. Rivet nut fastener is a tubular rivet with internal threads.