Engineering & Prototyping Capabilities for Precision Metal Parts
Accelerate development, reduce costs, and optimize designs with upfront engineering support tailored to your application

Upfront Engineering & Prototyping Support to Accelerate Results

Early involvement in the design and development process allows us to engineer smarter, more efficient solutions tailored to your application. By collaborating with your team from the start, we can reduce complexity, lower costs, and ensure every part meets the highest quality standards.

We analyze each design element to balance function, performance, and manufacturability—identifying where features add value, where they may introduce unnecessary cost, and how to streamline production without compromising precision. This upfront engineering and prototyping approach accelerates development timelines, lowers manufacturing costs, and helps bring products to market faster and more efficiently.

Trusted across medical, aerospace, electronics, defense, and firearms industries, global OEMs choose CSS to solve complex manufacturing challenges with speed, reliability, and scale.

Comprehensive Engineering Services & Software Integration

Product Design & Development Support

Product Testing & Validation

Process Design & Optimization

Material Specification Expertise

Concurrent Tooling Design

Material Finishing Solutions

Custom Equipment Engineering

Comprehensive Quality Management Systems

Prototyping Services

Our engineers use advanced CAD/CAM systems—including AutoCAD, SolidWorks, Mastercam, CNC programming software, and DP Esprit—to support rapid iteration and tooling development. We accept a wide range of electronic file formats, including AutoCAD DWG, Autodesk Inventory, CADKEY, DXF, IGES, Parasolid, Pro E, Solid Works and STEP, to ensure seamless collaboration with your design team.

Need a One-Page Summary of Our Capabilities?

Download our capabilities overview for a quick, shareable snapshot of what CSS can do, from engineering to production.

Looking for Cost-Effective Global Manufacturing?

Explore our Asian manufacturing capabilities, backed by ISO-certified partners and proven global supply chain integration.

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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