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

Carbide burrs are employed in air tools including 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 Higher than normal heat tolerance allowing these phones operate at higher speeds than similar HSS cutters, yet 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 it is a better choice for lengthy term performance because of higher wear resistance.

Single-Cut vs Double-Cut
Single cut Burrs are for General Purpose. It’ll give good material removal and smooth workpiece finishes.

Single cut can be used with stainless steel, hardened steel, copper, iron, and ferrous metals and definately will remove material quickly which has a smooth finish. Can be used as Deburring, cleaning, milling, material removal or creating long chips

Double cut Burrs allow for rapid stock removal in harder materials and tougher applications. The designs reduces pulling action, allowing better operator control, and reduces chips

Double cut burrs are used on ferrous and non-ferrous metals, aluminium, soft steel as well as all non-metal materials like 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 because of producing smaller chips because they cut away the fabric. Use double-cut for medium-light stock removal, deburring, fine finishing, cleaning, smooth finishes, and creating smaller chips. Double cut carbide burrs include the most popular and work with most applications.
For details about SH-2 Carbide Burrs see our site