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How to Make Dado Edges

Dado edges are essential for locking furniture joints into place. A dado is a narrow rectangular groove cut into a piece of wood to receive an interlocking piece of wood, adding stability and durability to a piece of furniture -- a chair or table, for example. Master your skills in dado creation for effectively piecing together the fruits of your labor.

Things You'll Need

  • Work gloves
  • Safety glasses
  • Measuring tape
  • Pencil
  • 1/4-inch guide strip (the length of your dado edge)
  • 2 c-clamps
  • Router with an adjustable dado jig
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Instructions

    • 1

      Slide on a pair of work gloves and safety glasses to protect your skin and eyes.

    • 2

      Measure the length of the dado you wish to create. Using a pencil make two parallel lines the width of the edge you'll insert into the dado.

    • 3

      Place a router -- powered off -- atop the wood. Adjust the router so the bit is at center between the trace lines. Place a 1/4-inch-thick guide strip atop the wood. Adjust the strip so it is parallel with the top pencil line but far enough removed to touch only the outer edge of the front of the router. Clamp the guide strip and the wood you are cutting to a work surface to prevent movement while routing.

    • 4

      Attach a dado jig to the hand router. Adjust the depth of the jig to suit your purposes. Average depths of dados range from 1/8 inch to 1/4 inch.

    • 5

      Place the router back on top of the wood. Adjust the router so the prefabricated arrow on the outer rim is facing the guide strip. Power the router on. Move the router slowly from right to left to cut the dado.