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Tungsten carbide burrs
Carbide burrs can be used on many materials
Tungsten Carbide burrs can be used on most hard materials: metals including steel, aluminum and cast iron, stone, ceramic, porcelain, hard wood, acrylics, fibreglass and reinforced plastics.
Different cuts of carbide burs will be best suited to certain materials, see the next point below to find out about the different cuts.
Carbide burrs commonly come in two cuts; single cut and double cut
Single cut (one flute) carbide burrs have a right handed (Up cut) spiral flute. These tend to be used with steel, copper, cast iron and ferrous metals and will remove material quickly with a smooth finish.
Double cut or Cross cut carbide burrs tend to be used on non ferrous metals, aluminium, soft steel, plastics and hard wood. Double cut or cross cut (2 flutes cut across each other) will leave a slightly smoother finish than single cut due to producing smaller chips as they cut away the material.