The Xpandrel - Get ready to rethink ID workholding. The only expanding mandrel that is machinable and fully customizable. The Xpandrel precision expanding mandrel is versatile enough to handle all you workholding needs, help control your process and im

The Xpandrel - Get ready to rethink ID workholding. The only expanding mandrel that is machinable and fully customizable. The Xpandrel precision expanding mandrel is versatile enough to handle all you workholding needs, help control your process and im

Welcome to Mountain Machine Works, Service, Products, Performance. Machining and Fabrication Specialists. On Site Machining, Contract Manufacturing, Prototype & Job Shop. Explore our website to learn about all of our products and services.

Precision expanding collets and expanding mandrels for most manufacturers.