Expanding mandrels are the ideal solution to workholding problems in grinding, turning, milling and inspection. They provide the benefits of versatility and accuracy when compared to other workholding methods. Expanding mandrels may be dedicated to one component or a range of component types and sizes, locating in and gripping component bores. They provide the following workholding features: Versatility High level of concentricity - to 0.0002" T.I.R. Quick and secure clamping Connection to existing machine mechanisms Positive location against backstops Controlled datums Generous expansion capacities Sleeve interchangeability