Hand File

Hand files are tools used for shaping, smoothing, and removing material from various surfaces. They are classified under the supply class Hand Tools, Edged, Nonpowered in the supply group Hand Tools. Hand files typically consist of a handle and a long, narrow, flat, or curved metal blade with rows of parallel teeth or ridges called "cuts" on one or both sides.

These teeth or cuts are designed to efficiently remove material when the file is pushed or pulled across a workpiece. Hand files come in various shapes and sizes, each designed for specific applications. Some common types of hand files include:

1. Flat files: These files have a rectangular cross-section and are used for general-purpose filing and smoothing flat surfaces.

2. Half-round files: These files have a curved cross-section with one flat side and one rounded side. They are used for filing concave or convex surfaces.

3. Round files: These files have a cylindrical shape and are used for enlarging round holes or shaping curved surfaces.

4. Square files: These files have a square cross-section and are used for filing square or rectangular holes, slots, or edges.

5. Triangular files: These files have a triangular cross-section and are used for filing corners, angles, or grooves.

6. Needle files: These files have a small, thin profile and are used for intricate or delicate work, such as jewelry making or precision instrument repair.

Hand files are commonly used in metalworking, woodworking, and other trades where precise shaping and smoothing of materials are required. They are versatile tools that can be used on various materials like metal, wood, plastic, and even ceramics.

When using hand files, it is important to apply consistent pressure and use long, smooth strokes to achieve the desired result. Regular maintenance, such as cleaning and occasional sharpening, can help prolong the lifespan and effectiveness of hand files.