The actual definition of Carbide bit

The actual definition of a tool bit is a matter of some debate. In some circles, a bit is a non-rotary cutting tool like the blade on a lathe or the head on a shaping machine. In other places, it is any removable or exchangeable tool piece, such as the drill part of a handheld drill. Both definitions have one thing in common—the bit is the part that directly interacts with the worked material, and any changes to the material are done by the bit alone.

Manufacturers use a carbide bit when the material or manufacturing process requires high tolerances or precision. These bits are often used when a material is hard enough that a typical bit won’t work it properly, such as with hardened or carbon steel. Since that’s what a common bit is made of, it isn’t hard enough to work the material. Interaction between two pieces of the same material typically results in both parts being ruined.

Another common reason for a carbide bit is when the material being worked needs exposure to very high temperatures either before or during the process. Since a carbide bit can withstand greater temperatures than steel, it is often used in high-heat situations. This is also true when the friction created by the working process would create enough heat to melt a steel bit, such as in high-speed grinding.

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