End mill holders: Essentially for milling, these holders keep milling tools in place. Outer diameter (OD) and inner diameter (ID): These are universal holders that are interchangeable with many types of tools for cutting. Collet chucks: The variety of collet chucks work to hold different machinery tooling in place.

Steel. Steel is a popular choice for manufacturing tool holders in CNC machines. It is strong, durable and resistant to wear, making it ideal for holding cutting tools. Steel tool holders can be further treated with heat to increase their hardness and improve their resistance to wear.

HSK is a German abbreviation, which translates to a hollow taper shank. A hollow taper means these tools holders don't have a retention knob and are creating for high-speed machining. These holders are becoming more popular in America due to their precision performance.

CNC tool holders are designed to safely hold a cutting tool in a precise location. Depending on the tool holder you choose, some offer incomparable accuracy and a firm grip, while others allow the cutting tool to float to prevent a broken tool.