What is it?
The Expansion Bit is a drill bit used for larger range. The actual drill bit you want to use is attached to the end. Who uses it and why? Carpenters and electricians use it to be able to reach that are out of range with normal drill bit. What materials can they be used on? They aren’t used on any type of materials, but rather hold the drill that does the actual drilling. How is it used? It is used by attaching a drill bit to the end of the expansion bit. What are their distinctive features? They are usually long and contain a magnet at the end so the attached drill bits stick to it. Sizes vary. Where can I buy it? Local Home Depot and Sears stores have it in storage. How much does it cost? They cost about $10.00 to $30.00. |