Spring Manufacturers | Katy Spring & Mfg Inc.

This capability video shows a custom, stainless steel hitch pin clip.
These pins are also referred to as; R-key, hairpin cotter pin, or spring cotter pin.
They are commonly used to secure the ends of round shafts such as axels and clevis pins.

Please see our main page for more flat spring information and assistance in placing orders.
Endless Varieties of Shapes, Materials and Functions
Flat spring manufacturers form flat springs from flat, strip, spring material that are produced with either squared or rounded edges. They are considered flat springs because they are made from flat stock spring steel and perform like coil springs, storing...

We hope you enjoy this blog post about torsion springs. It is a follow up to our main page, which you can visit here. There are several methods for designing torsion springs, and the easiest would be to contact Katy Spring with parameters including:
• Force needed...

Katy Spring is a premier source of extension springs information. We assist customers in developing the proper initial tension needed for a given extension spring.
Extension Springs Information — Helpful Details
We specialize in custom extension springs. Initial tension is the force which presses the coils of a closed-wound extension spring, as well as the force needed to open the coils. Initial tension can be wound into cold-coiled extension springs made from...