The multi-blade of file hand cutter is mainly used for micro-machining of surface layers such as metal, wood and leather. According to the section, it can be divided into flat file, round file, square file, triangular file, diamond file, semicircular file, knife file and so on. , also known as a file.

File steel file is the same product.

steel file

Like files, steel files can be roughly divided into three categories: ordinary files, special files and plastic files (assorted files).

According to the shape of file section, ordinary files are divided into five types: flat file, square file, triangular file, semi-circular file and round file. Flat files are used to file flat surfaces, cylindrical surfaces and convex curved surfaces. Square file is used to file square holes, long square holes and narrow planes; Triangular files are used to file internal corners, triangular holes and planes; Semi-circular file is used to file concave curved surfaces and planes; Circular file is used to file round holes, concave cambered surfaces with smaller radius and elliptical surfaces.

Special files are used to file special surfaces of parts, including straight files and curved files.

Plastic files (assorted files) are suitable for dressing small parts of workpieces, and there are files with various cross-sectional shapes in one set.