Your Partner in Precision Component Manufacturing

When precision, performance, and reliability are mission-critical, engineers and sourcing teams turn to CSS.

We specialize in custom springs, metal stampings, fineblanked and machined components, fourslide parts, and mechanical assemblies—manufactured to exacting specifications.

Our team supports you from concept to production with expert design input, prototyping, and tooling, then scales to meet your needs with low-volume validation or high-speed, high-volume manufacturing.

Trusted across medical, aerospace, electronics, defense, and firearms industries, CSS delivers the quality and consistency complex applications demand.

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Custom Springs, Stampings & Metal Components Built to Spec

Springs

Available in a wide range of materials and sizes from .004 to .350 in diameter

Stampings

Including tool fabrication, high volume production, progressive stamping, and short volume production

Machined Stampings

Precision CNC machining adds critical features to complicated stampings

Assemblies

Specific processing of multiple parts and components for flexibility, efficiency, and value

Fineblanking

Produces minimum die roll with an improved sheared edge condition

Fourslide

Accurate machinery for economical value and volume production

Stock Defense & Firearms Parts

AR Parts Shop

Our high-quality OEM parts are made in the USA and are ideal for both new AR builds and replacement applications.

AK Parts Shop

We design, manufacture, and stock reliable, high-performance components for the AK platform, ensuring quality you can trust.

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Global Precision Manufacturing & Supply Chain Support

A map of countries supplied by CSS, and CSS factories

Countries We Supply

Trusted by Industry Leaders

What Our Clients Say about Working with CSS

"I haven't worked directly with a whole lot of spring manufacturers in the past, but it's been absolutely great working with CSS so far. They are head and shoulders above other folks I've worked with – quick reply, detailed/thorough, helpful in teaching the process, forthright in offering solutions, etc. I really appreciate the help thus far and looking forward to continuing to work together."R&D Engineer, Top Tier Surgical Device Company"I have been impressed with the professionalism and execution of your company and personnel, and I'd like to extend a sincere thank you. I can honestly say it has been a pleasure working with you and I look forward to continuing business with your company!"R&D Engineer, BD"One of the most important things we look for in a partner is value engineering and value analysis to help us reduce costs. CSS provided us with virtually a one-stop-shop for very fast feedback that helped us design new models for manufacturability."VP of New Product Development, Smith & Wesson"Connecticut Spring & Stamping is an exceptional supplier. Their engineering teams have supported Teleflex Medical through successful product designs & launches. They respond quickly whenever the need arises, and deliver with a world class level of service and quality."Teleflex Medical"Your organization has shown an outstanding quality history on all of the various parts you ship to Colt; a true commitment to supplying our company with a quality product."Director of Quality, Colt Defense

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