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Shank Tungsten Carbide Burr Rotary Drill Bits Cutter Files Set
Specification:
Material: 100% tungsten carbide material
Shank diameter: 1/8 Inch
Compatibility: Smaller rotary tools
Features:
1. Hard metal burrs used in pneumatic or electric tools, speed is 6000-40000 rpm, must clamp tool.
2. From right to left direction of cutting uniform movement, not like the use of wheel for reciprocating cutting
3. Be careful not to overexert (pressure is generally not more than 4 kg)
4. Tungsten steel solid carbide burrs for DIY enthusiast or hobby and craft fan, and give your rotary tool even more functionality with this set of burrs
Burrs are a rotary analog to files that cut linearly (hence their alternate name, rotary files). They are also in many ways comparable to endmills and to router bits; a distinction is that the latter usually have their toolpath controlled by the machine, whereas burrs are often used freehand. However, there is substantial overlap in the use and toolpath control of these various classes of cutters, and in the outcomes accomplished with them. For example, endmills can be used in routers, and burrs can be used like endmills in milling by CNC or manual machine tools. In fact, burrs (the tools) are often used in CNC machining centers for removing burrs (the small flakes of metal) after a machining process.
To maintain the correct surface speed and cutting conditions, burrs are rotated at high speed (thousands or tens of thousands of RPM; often the top speed available on a given spindle). The cutters shown in the image are made from tungsten carbide, which allows them to operate at higher speeds than similar HSS cutters, yet still maintain their cutting edges.