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.

However, usually the surface produced with the double-cut file is rougher than that produced by the single-cut.

A double-cut file, which has a second row of ridges crossing the first at an angle, behaves like close-coat sandpaper.

The piece of wood is final-smoothed with a single-cut or double-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.