Estimated Reading Time 7 mins Prepare Your Supplies. The table we built will be 40-inches high from the floor to the top of Prepare the Table Top. Once we have all our tabletop boards cut to size, we lay then down Clamping for Perfection. We are next going to use our large clamps at each side of our Laying Out Tabletop Supports. Once our tabletop is clamped together, we lay out our three Drilling the Supports into Place. Once the support beams are in place, take your drill with a Preparing the Pipe! We have finished our raw tabletop. Now we will need to grab our Creating the Bases. Grab all of the 24-inch pipes (four in total) and screw a floor flange into T is for Table. Now add your Tee pipe sections onto the four legs. RELATED Backyard More Support. Now screw your (x2) 18-inch pipe sections into two of the Tees, which will Bringing it Together. Now, take one of the other 24-inch pipes which currently has JUST (plate)1 in. x 1 ft. L Black Pipe Table Leg Kit with Square chair legs use square steel pipe(steel) After cleaning, seal the pipe with polyurethane spray to protect it from rust and scratches. Assembled legs are 13.75 in. high. Each kit comes with four-1 in. x 12 in. steel pipes, eight square flanges, (16) screws, assembly instructions and a clean and seal sheet. Flanges are 3.75 in. wide and fit 1 in. Dia pipe.