Amazon.com: ISPINNER 50pcs 3/16" x 1/2" Closed End Aluminum Blind Rivets with Steel Mandrel, 4.8 x 12mm Pop Rivets, Pack of 50 : Industrial & Scientific
4.8mm (3/16″) Aluminum Rivet Closed End Grip 3.6-4.1mm
Buy Wholesale China Factory Stainless Steel 304 316 Metric Inch Galvanized Half Knurled Large Flange Flat Head Closed End Blind Rivet Nut & Round Hex Blind Rivet Nut at USD 0.1 | Global Sources