Custom, precision, stress-relieved, high tolerance… what you can expect from Fennell Spring. Available in a variety of sizes and constant cylindrical diameters, as well as conical, concave, convex or any combination of these shapes based on your application.

Fennell Spring’s in-house grinding operation assures our ends meet your needs.

When your application calls for controlled resistance to a pulling force, Fennell Spring can produce the extension spring you need in a variety of raw and pre-plated metals with classic or custom end hooks.

Angular ends and controlled resistance to external torque differentiate these precision springs. Specific functional expectations determine the final product.

Fennell Spring’s commitment to innovation and quality
assures a completely satisfying experience from prototype design through production.

These coil-less springs are available in as many shape options as there are applications. Let us work with you to design and produce the exact wire form you need.

Fennell Spring’s customer assistance professionals assure our means meet your ends and desired end-results.