"The Original" 10 ft drill bit is expertly crafted for homeowners and DIY enthusiasts, while also being suitable for professional use. Hand-made and hand-welded in my small shop, this extra long drill bit extension ships as three parts: one 3’ section and two 3 ½’ sections. To get started, use your own ¾" - 1 ½" spade bit to drill through the top plates of a conventional 2"x4" interior stud wall. Next, insert the 3’ section that holds your spade bit into the hole. Secure one of the 3 ½’ sections by tightening the two set screws with the included hex wrench. Carefully feed the drill bit down to the cross brace, ensuring the bit is vertical and centered. Attach your drill and bore a hole through the cross brace. Just like "drilling for oil", you’ll then attach the last 3 ½’ section and lower the bit to the bottom plate. Again, ensure the bit is vertically aligned with the center of the plate before boring through the plate and floor system. This process allows you to attach the wire, cable, or pull string to the bit from under the floor and pull it into place as you disassemble the bit.
Be sure to check for any electrical wires or pipes in the wall before drilling!
Select a location with a minimum of 45” headroom. Interior walls are preferred to avoid insulation complications. Hold firmly onto the drill bit to prevent it from falling into the wall, and tighten all set screws securely before drilling. For added stability, it’s wise to wrap each joint with duct tape. While you may experience some wobble, this long drill extension will efficiently create a perfectly good chase with the use of this 10 ft drill bit.