<b>1/4”-20 Stainless Steel Rivet Nuts fastener Threaded Insert nutserts Rivnuts avdels, 1/4-20UNC,Flat Head (Knurled ),40 Pieces Pack</b><br/> These are 40pcs high strength threads 1/4”-20 rivet nuts, made of 304 stainless steel. <br/><br/> They are used when an application has little or no access to the backside. They are neat and clean and can be installed from the front side of the work piece. No finishing work is required on the rivnut after installation. <br/><br/> Stainless steel rivnut, Strong enough that will fit your requirements for various applications in home furniture, decoration, automotive , electrical & industrial products. <br/> The rivet nuts can apply in heavy duty materials such as steel, metal sheet, aluminum, plastic and fiberglass alike. <br/><br/> Each rivet nut is made with knurled round body. <br/><br/> Specification: <br/> Thread Size: 1/4”-20<br/> Body Diameter: 8.9mm / 0.350"<br/> Grip Range: 0.5mm-3mm/ 0.019”-0.118”<br/> Head Diameter:12.3mm/ 0.490"<br/> Head Height:1.3mm/ 0.052"<br/> Application Hole Size: (+0.1，0)9mm/ 0.351"-0.356"<br/> Overall Length: 15.5mm / 0.610"<br/> Head Type: Flat Head<br/> Color : Silver Tone<br/><br/> Package includes 40 pieces of 1/4”-20 rivet nuts stainless steel.