Just what is a carbide burr
Carbide burrs are tools employed for deburring, cutting, shaping, grinding, and chamfering hard materials. Different cuts of carbide burrs will likely be ideal for sure materials.

Carbide burrs are utilized in air tools for example die grinders, pneumatic rotary tools and high-speed engravers, Micro Motors, Pendant Drills, Flexible Shafts, and hobby rotary tools.

Why would you use Carbide burrs over HHS(high-speed steel)?
Carbide has an Elevated heat tolerance which allows the crooks to operate at higher speeds than similar HSS cutters, but still maintain their cutting edges. High-speed steel(HSS) burrs will begin to soften at higher temperatures while carbide Maintains hardness even under compression and contains Longer working life and is a better option for very long term performance as a result of 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 can be used with stainless-steel, hardened steel, copper, surefire, and ferrous metals and definately will remove material quickly with a smooth finish. Can be used Deburring, cleaning, milling, material removal or creating long chips

Double cut Burrs permit rapid stock removal in harder materials and tougher applications. The designs reduces pulling action, that enables 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 definately will remove material faster.

Double-cut will leave a smoother finish than single-cut because of producing smaller chips while they cut away the information. 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 widely used and work for most applications.
For more info about SH-2 Carbide Burrs check the best web site