Carbide burrs, also known as carbide rotary burrs are widely-used with high-speed electric mills or die grinders to process metal, wood, plastics, etc. Carbide rotary burrs are trusted in machinery, automobile, shipbuilding, chemical industry, craft carving, along with other industries. Selecting the most appropriate carbide burr for your project is essential. There are several options for selecting a high-quality tungsten carbide rotary burr.

Shapes of tungsten carbide rotary burrs
The shape from the carbide rotary burr must be dependant on the shape with the workpiece. When processing the interior arc surface, a semi-circular burr or round burr (small diameter workpiece) should be used; when processing the inner corner surface, triangular burrs must be selected; when processing the inner right angle surface, an appartment burr and square burr might be selected. If the flat burr is employed to cut the inner right angle surface, it is crucial to make a narrow surface (smooth edge) without teeth close to one of several inner right angle surfaces, so as to avoid damaging the correct angle surface.

Tooth thickness of carbide rotary burrs
The thickness of burr teeth ought to be determined in accordance with the allowance height and width of the workpiece, machining accuracy, and material properties. The coarse tooth carbide burr is suitable for machining workpieces with large allowance, low dimensional accuracy, large form and position tolerance, large surface roughness value, and soft material; otherwise, fine-tooth carbide burr needs to be selected. When used, it should be chosen as outlined by machining allowance, dimensional accuracy, and surface roughness needed by the workpiece.

Sizes of carbide burrs
The size and specification of cemented carbide rotary burr needs to be selected in accordance with the height and width of the workpiece and machining allowance. If the machining sizing is large and also the allowance is big, cemented carbide rotary burr with a large size should be selected, or possibly a tungsten carbide rotary burr having a small size needs to be selected instead.
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