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A file for metal needs to be harder and the teeth need to be finer.
A simple example is that a flat metal file can be used in metal working to file down (smooth) rough edges on a piece of metal.
The harder the metal, the smoother file.
A file is used for sharpening metal edges or tools
One can buy metal file cabinets in Canada from international and local retailers such as Walmart. Metal file cabinets can also be found at local Office Depots and Staples.
Many stores and sites sell file cabinets which are not made of metal. Some retail stores which sell file cabinets not made of metal are Target, Canadian Tire and many more.
A 'metal filing ' is a tiny piece of metal that is rubbed off from a large piece by a file.
The average metal filing cabinet will last about 5 or 10 years with standard loving use. Do not be abusive to the object. http://www.wikihow.com/File-Metal
There are numerous locations to buy a large metal file case. For instance, Staples offers a wide variety of filing cabinets. http://www.staples.com/File-Storage-Cabinets/cat_CG34
To learn how to sharpen a file effectively, you can follow these steps: Secure the file in a vise or clamp to keep it steady. Use a file card to clean out any debris from the file's teeth. Use a file joint to ensure the file is straight and even. Use a file handle to hold the file securely. Use a file brush to remove any metal shavings. Practice sharpening on a scrap piece of metal to improve your technique.
a metal file
A circular file is used to file the burrs of metal but is round all the way round instead of flat. A circular file is also slang for a trash can.