Rivet Nut System of Measurement Inch Insert Diameter 3/8 in Overall Length 39/64 in Installed Length 13/32 in Thread Size 1/4 In.-20 Thread Type Coarse Flange Diameter 0.515625 in Flange Thickness 0.03 in Material Steel Material Grade/Class 1008/1010 Finish Zinc Yellow Body Texture Smooth Compatible Material Metal Drill Bit Size 25/64 in Maximum Hole Diameter 0.375 in Minimum Material Thickness 0.027 in Maximum Material Thickness 0.165 in Insert Nut Type Rivet Nut