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.
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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