If you are in the machining industry, chances are pretty high that at one point or another you will have to replace the tool holders on your machining tools. If you are using high velocity, high output machines then you should definitely be using a tool holder. For those not in the industry, a tool holder is often thought to reference a tool box or belt. However, a tool holder refers to a piece that secures another into a machining device.
Consider the ER collet. This tool holder is the most widely used clamping system in the world. It is used to secure drill bits, small cutting blades, and other precision machining tools that need to be replaced often. There in lies the importance of holders. Instead of having to replace the whole