What is it?
A rat file is a file with circular cross sections. The file is cylindrical and comes in many different sizes. Who uses it and why? A carpenter would use this tool to file the inside of holes to achieve a smooth and circular hole. It is also used to cleans the insides of a hole. What materials can they be used on? It can be used on metal, wood, or plastic. It can be used on any material trying to achieve a clean drill hole. How is it used? The files is put inside of a drilled hole and drawn back and forth on the object till it is smooth. The file will clean up the drill hole making a smooth circular drill hole. What are their distinctive features? The file is cylindrical with a with circular cuts. Where can I buy it? It can be bought at Home Depot or any hardware store. http://www.wisegeek.com/what-is-a-round-file.htm http://www.homedepot.com/s/round%20file?NCNI-5 How much does it cost? $6.47-$16.90 |