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What are cant saw and web saw files?

What are cant saw and web saw files?

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Example of a saw with teeth that are not cut at a 60 degree angle While taper saw and double ended saw files are ideal for sharpening saws with teeth angled at 60°, saws with other angles between their teeth need to be sharpened with different files, such as cant saw and web saw files.
Image showing a saw with M shaped teeth that can be sharpened with a cant saw file Cant saw files are designed to sharpen saws with teeth at an angle of less than 60°, including saws with ‘M’ shaped teeth.
Image showing a web saw blade. These are sharpened using a web saw file. Web saw files are used to sharpen the rotary saw blades found in a web saw, which is how they earned their name.

What is a cant saw?

Image showing the sloping, or canting, edges of a cant saw file There is actually no such thing as a cant saw! The cant saw file is so named because it is a saw file with edges that cant, or slope.

What is a web saw?

A web saw in the process of cutting timbers for a roof A web saw is a machine that allows circular saw blades to be set up at specific angles so that they will cut the edges of a piece of timber to a specific shape.
Wooden rafters cut by a web saw The most prominent use for web saws is cutting wooden rafters for use in roofing.

What are the characteristics of cant saw and web saw files?

Diagram of a triangular cross section

Cross section

Cant saw files have a triangular cross section with one side longer than the other two.

A triangle with two sides the same length, known as an isosceles triangle This type of triangle is called an isosceles triangle.
Image illustrating the reason why a cant saw file is also known as a feather edge file The shape of a cant saw file means it will fit perfectly into M-shaped saw teeth. The narrow edges of the file are able to reach into the gaps between extremely fine saw teeth. This has earned them the name feather edge files, as these fine saws resemble the edge of a feather!
Wonkee Donkee jokes about the name of the cant saw
Diagram of a diamond cross section Web saw files have a diamond-shaped cross section, similar to two cant saw files with their flat faces aligned.
Circular saw blade with wide angled teeth. This can be sharpened with a web saw file. The angles of the narrow edges on a web saw file are around double the size of the narrow edges on a cant saw file. This suits them to sharpening saws with slightly wider teeth.
Image of a cant saw file showing outline and cut


Cant saw files can be blunt or tapered.

Image of a web saw file showing the outline and cut Web saw files are blunt in profile.
A single cut file with teeth cut in just one direction on the file's face


Both files are single cut on all faces.

An indication of the range of lengths in which cant saw files are usually available


Cant saw files are usually available in lengths between 200mm (8 inches) and 250mm (10 inches)

An indication of the range of lengths in which web saw files are usually available Web saw files tend to be smaller, and are usually available at lengths of 150mm (6 inches)
The American flag, representing American pattern files

Swiss or American?

Cant saw and web saw files are both American pattern files.

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