John Evans’ Sons manufactures custom and specialized springs for a variety of applications. Browse our comprehensive resources below to learn more about our offerings, spring design, installation, and more. If you don’t find the information you’re looking for, please reach out to our team.

eBooks

Custom Spring Design Guide

Learn More

Military and Defense Guide to Shock & Vibration Isolator Equipment

Learn More

Blogs

The Role of Helical Springs in the Defense Industry

Components used in military and defense applications must endure some of the toughest environments. From arctic temperatures to desert heat, reliability is non-negotiable. Every part...

Springs in Surgical Robots: Precision Components for Robotic Surgery

Today's surgical robots consist of complex systems with many types of components that require exact designs and manufacturing. Among the most essential but frequently overlooked...

MD&M East 2025

John Evans’ Sons: MD&M East 2025 Big News! John Evans Sons is exhibiting at MDM East Booth 621 under the Lesjöfors Group and we’re launching...