3/16 x .06-.25 Large Flange Stainless Steel Rivet with Steel Mandrel .312-.734 It is made of aluminum

It is made of aluminum and has a steel mandrel that is inserted into the rivet hole

This 1/4-20 x 1 3/4 Phillips oval machine screw is fully threaded and made of 18-8 stainless steel

This 1/4-20 x 3/4 Carriage Bolt Fully Threaded Black Oxide and Oil is a high-quality fastener designed for a variety of applications

8 x 10 ISO 7045 Metric Six Lobe Drive Pan Machine Screw Class 4

3/16 x .06-.25 Large Flange Stainless Steel Rivet with Steel Mandrel .312-.734 It is made of aluminumThe 3 16 x . 06 . 25 Large Flange Stainless Steel Rivet with Steel Mandrel is a high quality fastener designed for use in a wide range of applications. The rivet is made of durable stainless steel, which provides excellent corrosion resistance and strength. The large flange design provides a wide bearing surface, which helps to distribute the load and prevent the rivet from pulling through the material. The steel mandrel is strong and easy to install,