Rivet Nut Inch Aluminum Material Grade Not Graded Open End Rivet Nut Type Knurled Dia./Thread Size #8-32 Length 0.420 In. Drill Size 17/64 In. Fastener Finish Plain Grip Range 0.020 in to 0.080 In. Hole Size 0.266 In. Head Height 0.030 In. Head Dia 0.390 In. Body Dia 0.265 In. Flange Dia 0.390 In. Used to Securely Fasten Metals Fiberglass Rigid Plastic Materials By Creating Permanent Threads of Punched or Drilled Holes In Blind Applications Package Quantity 25