iExcell 50 Pcs 14-20 x 25 Pcs 516-18 x 15 Pcs 38-16 x 10 Pcs Stainless Steel 304 Rivet Nuts Threaded Insert Nuts Nutserts Assortment Flat Head

? Thread type: SAE/ANSI/ASME, UNC Threads ? Knurled body for anti-rotation ? Material: stainless steel 304,high strength and anti-corrosion in various environments ? Easy to store: these rivet nuts come in a separated girds storage box [ Sizes ]------[ Drill Hole Size ] ---[ Grip Range ] 1/4-20------------23/64"----------0.027"-0.165" 5/16-18-----------7/16"-----------0.027"-0.165" 3/8-16------------17/32"----------0.027"-0.150" Package Contains: 1/4-20------25 Pcs 5/16-18-----15 Pcs 3/8-16------10 Pcs Total:-------50 Pcs