single-cut file

Single-cut files have rows of teeth cut in one direction only - usually at a 65-degree angle to the center line.

Files with a single set of parallel teeth are called single-cut files.

For a professional appearance this edge should be filed, first with a double-cut then a single-cut file.

Double-cut files cut more rapidly than single-cut files of the same size.

But the rough surface they produce has to be smoothed with a double- or single-cut file or sandpaper.

Use a single-cut file.

A single-cut file has one row of ridges along the blade and the same advantages and disadvantages as open-coat sandpaper.

Double-cut files clear material faster than the single-cut files, but they create a rough surface that must be smoothed with the single-cut file.

A single-cut file has one set of parallel teeth while a cross-cut or double-cut file has a second set of cuts forming diamond teeth.

Double-cut files cut more rapidly than single-cut files of the same size, but the surface produced with a double-cut file usually is rougher than that produced by a single-cut.

To smooth coarsely filed surfaces, a job usually done by using a single-cut file, hold the file perpendicular to the work surface and parallel to the floor, with your thumbs pointing toward each other.

To smooth coarsely filed surfaces - a job generally performed using a single-cut file -hold the file at right angles across the surface, with your thumbs pointing toward each other, then pull the file toward you along the entire length of the work.