Filing (working with a file) means machining to shape a workpiece

Filing is a manufacturing process and is associated with cutting. A file can be used to work on metals, wood and plastics.

There are a variety of different files for different applications: needle file, diamond file, key file, flat file, metal file, wood file, round file, emery file, triangular file, etc.

The “cut” and the division of the files:

Cut no. Number of cuts file name

0 | 4.5 – 10 | Coarse file

1 | 5.3 – 16 | Bastard File (Roughing Arrows)

2 | 10 – 25 | Semi-finish file

3 | 14 – 35 | Finishing file

4 | 25 – 50 | Double finishing file

5 | 40 – 71 | Fine finishing file