Socket screws are commonly used in assemblies that do not provide sufficient clearance for a conventional wrench or socket.1/2"-20 Socket Head Cap Screw, Chrome Plated Steel, 2 in Length, 5 PK A hex key is required to tighten or loosen a socket screw..
.A blind nut insert, also known as a rivet nut, is a one-piece internally threaded and counterbored tubular rivet that can be anchored entirely from one side.
.Sheet Metal Screw, #10 x 1-1/4 in, Zinc Plated Steel Truss Head Phillips Drive, 25 PK Sheet metal screws make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood.