What effect do cut and coarseness have on filing? |
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Files will leave different finishes on a piece of material, depending on their coarseness. | |||
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The opposite of coarseness is fineness. A fine file has thinner teeth that are close together. A coarse file has thicker teeth that are further apart. | |||
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The finer the teeth cut into the file, the smoother the finish you can achieve. Using the smoothest files, you can create a mirror finish on steel.
This process may take longer but it’s worth persevering! |
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The coarser the teeth cut into the file, the quicker it will remove material from your workpiece, but the rougher the finish it will leave. | |||
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Single cut files also produce a smoother finish than double cut files. This is because their teeth are straight rather than diamond shaped, allowing for a more consistent cut. | |||
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Using a single cut, grade 6 Swiss pattern file will produce the smoothest available finish, whereas using a coarse, double cut American pattern file will produce the roughest finish.
For more information on the way that coarseness is graded, see: |
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