A special clamping nut with thrust bearings eliminates distortion, with this nut design said to generate a high gripping force and enhance concentricity, boosting the success of machining with long overhang tooling.
Upon changing from a standard ER collet to the Mega E-Chuck, one customer who was previously drilling holes with a run-out of 15 micron, achieving a tool life of 800 holes, saws these figures become 2 micron more than 2,300.
