Mandrels and Collets - FCP Modular Expanding Die System
Purchase additonal mandrel and corresponding collet to be used with your FCP Modular Expanding Die System.
Our pins are precision ground, hardened and black nitride and polished gauge pins that are designed to last over a hundred thousand cycles of expanding. The pins are ground to have a tangent leading edge so that the brass neck is guided with precision during the expanding process.
All of our pins are laser engraved on the TOP of the pin so that you can see exactly what size pin is installed in the expander body system.
Purchase the full system here
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Top quality mandrels and collets for excellent results
These collets and mandrels work perfectly with the system die body to produce great brass that has minimal runout.
