The work table is a piece of 3/4" MDF and is bolted to the table support bars. This is the surface that the material will be clamped to. I chose to use MDF for this purpose because it will be a sacrificial piece and can be cheaply replaced when needed. I will be screwing down work to this and can cut into it if needed. The hardware in the picture is 1/4"-20 x 1.5" long screws, nuts and washers. The screws need to be fully threaded. The six screws are used to mount and level the work table to the machine. The counter bored holes allow the screw heads to sit below the table surface so material can be attached easily.