Rivet Nut, System of Measurement Inch, Insert Diameter 25/64 in, Overall Length 0.71 mm, Installed Length 3/8 in, Thread Size 1/4 In.-20, Thread Direction Right Hand, Thread Type Coarse, Flange Diameter 0.5 in, Flange Thickness 0.03 in, Material Aluminum, Material Grade/Class 5056, Finish Plain, Body Texture Knurled, Compatible Material Metal, Drill Bit Size 25/64 in, Maximum Hole Diameter 0.3906 in, Minimum Material Thickness 0.165 in, Maximum Material Thickness 0.26 in