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The CENTAUR RDF - 031 is a Series 38 AF collet designed for precision workholding in machining applications. It accepts tool or workpiece shanks ranging from 3/16 inch (minimum) to 13/64 inch (0.2031 inch maximum) in diameter, making it suited for close-tolerance gripping at the smaller end of the inch-collet range. The collet measures 0.56 inch in overall diameter and 1.03 inches in overall length. Machinists and tool-room technicians install this type of collet in compatible collet chucks or holders to secure cutting tools or round stock during turning, milling, or grinding operations.
This collet is intended for use in Series 38 AF collet chucks and holders found in production machining, tool-and-die, and general metalworking environments. Its compact diameter and short overall length suit light-duty precision work where secure, repeatable gripping of small-diameter stock or tooling is required. This is a single-piece item packaged individually.
Designed for use with Series 38 AF collet chucks and holders accepting this collet series and diameter range.
Installation is performed by qualified machinists or tool-room technicians. Ensure the spindle or collet chuck is fully stopped and the machine is locked out before inserting or removing the collet. Clean the collet seat and collet body of chips and coolant residue before seating to ensure proper grip and runout performance. Follow the machine manufacturer's torque and clamping procedures for the collet nut.
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