When you type in carbide burr in search engines like Google or Bing, they will give you some results, and after you click on the link, there will be words like “SA Tungsten Carbide Rotary Burr” or “SB Tungsten Carbide Rotary Burr”. We may know what are carbide burrs, but what are these “SA” mean? Carbide burrs in San Andreas in GTA?

If it is, Mike may use this thing to rob a bank(I have no idea if there’s a carbide burr in GTA). If we explain it in this way, then I thought “SM Tungsten Carbide Rotary Burr” will give too much hurt to those people who have a special appetite. Believe me, it’s quite sharp.

So what does it stands for?

The answer is “shape A”.

What is it like?

Like this.

And “SM Carbide Burr” is like this.

Now you know it’s really a sharp tungsten carbide rotary cutting burr and it’s harmful to the human body.

There are about 13 different shapes of Carbide Burr, named from A to N, but there’s no I type. Each of them can be used to smooth a specific surface.

For an example, the SA type tungsten carbide rotary burr, which we can now call cylindrical shape tungsten carbide rotary burr, is used for cutting, shaping, grinding, and for the removal of sharp edges, burrs, and excess material (deburring)(all the carbide burr used for doing these things). The cylindrical shape tungsten carbide rotary burr has its limit like you can’t use it to clean the bottom of a round hole, but it is enough for many places

So you may ask there are 13 different shapes of these burrs, where are they?

You need to know there are 13 kinds of Carbide Burrs, and I can’t explain all of them to you in just one article.

So if you want to know more about the shape of these burrs or if you want to know more about these interesting Carbide Burrs, just click here.