iExcell 50 Pcs 1 4-20UNC Stainless Steel 304 Flat Head UNC Rivet Nuts Threaded Insert Nutserts Rivnuts

? Stainless steel 304, high strength and anti-corrosion in various environments ? Knurled body for anti-rotation ? Thread type: UNC ? Easy to store and get these rivet nuts: these rivet nuts come in a separated girds storage box Item-----Head Dia----Head Height---Total Length----Drill Hole Size-----Grip Range 1/4-20-----0.50"---------0.06"------------0.60"------------0.350"-----------0.020"-0.118" Package Quantity 1/4-20UNC-----------50 Pcs