30pcs M6x1mm Flat Head Blind Rivet Nut Insert Nutserts Fastener 15mm Long

· Flat head cap screws M6 female thread diameter 15mm total length aluminum rivet nut. · This Nutsert has a large flange to provide increased strength in punched and drilled holes. · Knurled body provides a higher resistance to spin out when installed in soft materials. WHAT IS A ? A fastener is a tubular rivet with internal threads. It can be installed in seconds form one side of the work. Once installed no finishing work is required on the fastener. The added benefit of not only being a dependable fastener they are ready to use with clean threads available for screw