Exactly what is a carbide burr
Carbide burrs are tools useful for deburring, cutting, shaping, grinding, and chamfering hard materials. Different cuts of carbide burrs will likely be ideal for several materials.
Carbide burrs are used in air tools including die grinders, pneumatic rotary tools and high-speed engravers, Micro Motors, Pendant Drills, Flexible Shafts, and hobby rotary tools.
The reason to use Carbide burrs over HHS(high-speed steel)?
Carbide posseses an Extremely high heat tolerance that enables the crooks to operate at higher speeds than similar HSS cutters, but still maintain their cutting edges. High-speed steel(HSS) burrs will start to soften at higher temperatures while carbide Maintains hardness even under compression and possesses Longer working life and is also a better option for very long term performance due to higher wear resistance.
Single-Cut vs Double-Cut
Single cut Burrs are for General Purpose. It’s going to give good material removal and smooth workpiece finishes.
Single cut is utilized with stainless, hardened steel, copper, cast iron, and ferrous metals and will remove material quickly using a smooth finish. Bring Deburring, cleaning, milling, material removal or creating long chips
Double cut Burrs accommodate rapid stock removal in harder materials and tougher applications. The designs reduces pulling action, that allows better operator control, and reduces chips
Double cut burrs are widely-used on ferrous and non-ferrous metals, aluminium, soft steel as well as all non-metal materials including stone, plastics, hardwood, and ceramic. This cut has more cutting edges and may remove material faster.
Double-cut leaves a smoother finish than single-cut due to producing smaller chips since they cut away the pad. Use double-cut for medium-light stock removal, deburring, fine finishing, cleaning, smooth finishes, and creating smaller chips. Double cut carbide burrs would be the most favored and work with most applications.
For additional information about SH-2 Carbide Burrs see this site