Files

Files are used to grind the surface of the car parts, for example, in order to polish them, correct their size or shape, remove old paintwork, rust or soot. This tool is made as a steel bar with an abrasive surface, fitted with a wooden or plastic handle.

Types of files

These devices differ by the design of the abrasive surface. It can be:

• Single cut. It is made at an angle to the axis of the tool, is used for grinding soft metals and non-metal materials, and also when it is necessary to make the surface as smooth as possible.
• Double cut (cross-cut). Is a combination of the main and additional cut, both of which are made at an angle to the longitudinal axis of the device. Used for working with ferrous and non-ferrous metals.
• Curved tooth cut. Made by milling, ensures high-quality and fast filing. Often used for working with non-ferrous metals.
• Rasp cut. Is made as staggered pyramidal teeth formed by processing metal with special chisels. Does not get clogged with swarf, therefore is used for working with soft metals and non-metal materials.

The purpose of files also depends on how fine their cut is. The finer the cut, the more precisely the car parts can be processed. Besides, for finer and more effective processing, diamond impregnated files are usually used.

These tools also differ from each other in their size and cross-section. The most common are:

• flat;
• square;
• three-square;
• round (half round, oval);
• slitting;
• crossing;
• knife.

The range of the functions they have also depends on their shape. For example, square tools are used to file right angles; three-square, slitting and knife tools are used for making slots, sharpening teeth and filing sharp corners. In catalogues, you can also find special tools: their size, shape; density, type and angle of cut are optimized for specific tasks.

Files: maintenance tips

1. Use the tools that suit the target material. This will help to avoid damaging the metal and tool malfunction.
2. Hold the top of the device with both hands.
3. Apply force only when the tool is moving forward.
4. Clean particles of the material from the tool when the work is finished.

Professional help from Buycarparts.co.uk

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