Views: 0 Author: Site Editor Publish Time: 2022-12-16 Origin: Site
A file is a kind of hand tool, it is mainly used to file metal, of course, it can also be used to file wood.
There are many types of files in our CROWNMAN tool brand: there are round files, flat files, half-round files, and triangular steel files;
A good file: the material is T12, the hardness is 60-62 degrees, the thickness meets the national standard, and the tooth shape is even and sharp;
A poor file: The material is 45# carbon steel, the hardness is 48-50 degrees, the thickness is non-standard, the tooth shape is uneven, and it is not durable.
