Flat File: This is tapered in both width and thickness used for heavy filing. This file is parallel to
about two third of length, and then tapers in both width and thickness
Hand File: This is used where flat file is not suitable for filing flat surfaces and has rectangular
cross section with parallel edges throughout, but thickness is tapered towards point.
Square file: This is in square cross section used for filing square and rectangular holes and for
finishing the bottom narrow slots.
Round File: They are round in cross-section and usually tapered. They are used for filing
circular holes, curved surfaces and finishing fillets.
Half Round File: This file is tapered double-cut and its cross-section is not a half circle but only
one third of a circle. This file is used for round cuts and filing curved surfaces.
Triangular File: The cross section of file is like equilateral triangle used for filing grooves,
slots, holes and sharp corners.
Knife Edged File: Its shape is like a knife used to file narrow slots, grooves and sharp corners.
Its width and thickness are tapered towards point in the form of knife.
Kavungya answered the question on
March 6, 2019 at 07:34