Unique design is mechanically sealed due to the short rear slots blocking coolant flow
When using thru-coolant cutting tools, these collets ensure 100% collant delivery to the tip of the cutting tool
Superior to collets that are sealed with silicon/rubber plugs
A Perfect Match to Your Cutting Tool Diameter
All Royal ER Collets are available from stock in both inch and metric sizes. This is very important because it enables you to select a collet that has been ground to your precise cutting tool size. Using a collet that is perfectly matched to the cutting tool diameter ensures that full surface contact is achieved, resulting in higher gripping force, better accuracy, less vibration, better surface finishes, and longer tool life.
Other Brands Single Point Contact when Using Metric Collets to Hold Inch-Sized Tooling, or Vise Versa
Royal Brand Full Surface Contact Because Royal ER Collets are Ground to Exact Inch and Metric Sizes
Unlike standard ER collets, sealed models do not have a wide collapsibility range and therefore must be sized to the exact cutting tool diameter.
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