The Evolution SK114 is not plated but is machined to tolerance for a perfect fit of both jaws and lathe mandrel.

Axminster is mindful that chucks can corrode so stainless steel is the perfect choice of material for the chuck. Other chucks are plated which requires the chuck to be made undersized and accept the plating process to bring it into tolerance.

By machining the scroll register and cutting the thread all in one operation, they can ensure that no errors arise in concentricity. The jaws are machined to within 2 microns, giving us accuracy worthy of super precision status.