Fineblanking Production

Fineblanking is a specialized stamping process that minimizes die roll and delivers significantly improved sheared edge conditions compared to conventional stamping methods. This capability enables CSS to efficiently produce parts with complex features that would otherwise require secondary operations—or may not be achievable with standard stamping techniques alone.

With our triple-action fineblanking press, CSS produces fully leveled parts featuring clean-cut, right-angled surfaces and exceptionally smooth edges. This advanced process achieves a level of flatness that is nearly unattainable with conventional stamping methods. Using a single-station compound fineblanking tool, we create finished parts in one press stroke. A final deburring step ensures a flawless surface finish, ready for any application.

Fineblanking is an ideal solution for economically producing highly complex, ready-to-install multifunctional parts—especially in the medical and firearms industries. It is particularly well-suited for smaller components up to 2.5 inches in length and material thicknesses up to ¼ inch. This process often results in parts that are 30–40% less expensive than comparable stamped-and-machined components—and in some cases, cost savings can reach up to 75%, depending on part complexity. For applications requiring additional precision, CSS can integrate CNC machining with fineblanking, reducing overall machining needs and delivering a more cost-competitive solution.

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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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