Half-round diamond file for metal, metal grinding, hand files and rasps, sharpening tools for jewelry, stone, wood, tile, glass, jade, 6 inches

These metal files are made of a diamond-coated, carbide-tipped steel, which significantly increases their lifespan and durability. Superior performance: This set of needle files offers excellent heat dissipation, preventing the workpiece surface from blackening, discoloring, or being damaged by overheating during grinding. Grinding is quiet and dust-free, and unlike wire brushes, it won't pose a risk of rust or accidental drops. The non-slip plastic handle provides a comfortable grip. Wide range of uses: Diamond files are ideal for fine work and can be used on high-speed steel with a hardness of 69. They are particularly effective on metals such as stainless steel, titanium, and high-nickel alloys. They are widely used in various mold-making, model-making, parts production, crafts, and other industries, for applications such as grinding, polishing, engraving, cutting, and finishing. jade, ceramics, glass, crystal, metal, cemented carbide and other pieces.