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Types of file part- 2 / Types of file according to Shape / Special files and uses

According to Shape Files are seven types. Their are –


 

sl

Name

sl               

Name

I

Flat File

V

Square file

Ii

Hand file

Vi

Triangular file

Iii

Half Round file

vii

Knife edge file

iv

Round file

 

 

                                             Flat file

 

These files are of rectangular cross section. The edges along the width of these files are parallel up two-thirds of the length, and then they taper towards the point. The faces are double cut and the edges single cut. These files are used for general purposes work.

 

 

                                  Hand file


These files are similar to the flat files in their cross-section. The edges along the width are parallel throughout length. The faces are double cut. One edge is a single cut whereas the other is a safe edge. Because of the safe edge, they are useful for filing surfaces which are ar right angles to surfaces already finished.

                     Half round file

 

*It is used for filing internal curved.

 

 

 

                                  Round file


A round file is circular in its cross section. It is used for enlarging the circular holes.

                                    Square file 

 

It is used for filing square holes, key ways.

 

                          Triangular file

           

 It is used for filing corners and angles which are more than 60°.

                          Knife edge file


It is used for filing narrow grooves angles above 10°.

 

                           Special files

 

Riffler file - These files are used for die-sinking, engraving and in silversmith’s work.

They are made in different shapes and sizes.


 

 

Mill saw files – These are used for sharpening teeth of wood-working saw and are available in single cut.





  Barrette file - It is used for finishing sharp corners.

 




Crossing file – It is also known as Fish back file.



 

Tinker’s file – This file is used for finishing automobile bodies after tinkering.


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Location: India

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