Eagle Rock 5C Expanding Collets

• The most effective and accurate means of internal chucking for short runs to mass production. Once seated in spindle and machined to size, these collets can hold concentricity well within .0005".
• Applicable on any manual or CNC Lathe, Milling Machine or Grinder with a 5C spindle.
• Machinable to any configuration within their stock and minimum machinable diameters. 
• Collets with diameters 4" and larger have a lock ring for greater stability and accuracy while machining to their specific application.