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The CENTAUR RDF - 125 is a Series 75 AF collet designed to hold workpieces ranging from 17/32 inch to 35/64 inch (0.5469 inches maximum capacity). The collet measures 1.13 inches in overall diameter and 2.02 inches in overall length. It is used in precision machining applications to secure round stock or tooling within compatible collet chucks and spindle systems. Machinists and toolroom professionals install this collet when close concentricity and repeatable clamping are required for turning, milling, or grinding operations.
This collet fits Series 75 AF collet chuck systems and is suited for light to medium machining operations in job shop, production, and maintenance environments. The 17/32 to 35/64 inch capacity range makes it appropriate for holding near-9/16-inch-diameter workpieces or tooling shanks. It is a standard single-piece collet sold individually, making it straightforward to add to an existing Series 75 AF collet set.
Designed for use with Series 75 AF collet chuck systems that accept collets in the 1.13-inch diameter body size.
Collets are installed by qualified machinists or toolroom technicians. Always power down and lock out the machine spindle before inserting or removing a collet. Ensure the collet, chuck body, and drawbar or closer nut are clean and free of chips or debris before assembly, as contamination will affect runout and clamping force. Do not exceed the stated capacity range, as over-colling or under-colling can damage the collet and reduce clamping accuracy.
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