Connecticut Spring & Stamping

Connecticut Spring & Stamping (CSS) is a leading global manufacturer of precision springs and custom metal components. With 86 years of experience, CSS is a trusted supplier of springs, progressive and fineblanked stampings, machined parts, fourslide components, laser welding, and assemblies, serving many of the world’s top medical device manufacturers.

CSS delivers high-precision components for medical devices, instruments, systems, and equipment to OEMs worldwide. The company partners with a broad range of medical companies, ensuring consistent, high-quality parts through a dependable and responsive supply chain.

Early Engineering Involvement in Design & Development

From concept to production, CSS provides expert engineering and design support to help clients accelerate time-to-market and control costs. The team is committed to collaboration, continuous improvement, and delivering cost-effective solutions throughout the development and manufacturing lifecycle.

Advanced Solutions for Complex Medical Device Projects

CSS has built a strong and growing reputation for delivering high-tolerance springs, metal stampings, and machined parts used in complex medical applications such as:

• Handheld surgical devices
• Endoscopic clip appliers
• Suturing devices
• Drug delivery systems
• Electrosurgery and orthopedic equipment
• Wearable infusion device springs, clips, latches and contacts

CSS’s facilities are ISO 13485 certified, ensuring strict quality control and compliance with global medical manufacturing standards.

Medical Components and Capabilities

CSS manufactures a wide range of critical components, including:

• Springs produced to exact specifications
• Battery contacts for electronic monitoring devices
• Precision parts for pulse oximeters, including finger sensors
• Components for endoscopy, electrosurgery, drug delivery systems, and orthopedic devices

Fineblanking and Progressive Stamping

CSS uses fineblanking technology to produce flat, precise parts with clean, right-angled edges—ideal for components that involve wear surfaces or contact points. Its in-house tooling expertise ensures seamless transitions from concept to high-volume production using progressive stamping presses.

CNC Machining for Enhanced Precision

To achieve tight tolerances and complex geometries, CSS enhances its stamped and blanked parts with secondary operations using advanced CNC machining. This allows cost-effective customization while maintaining consistent quality.

Custom Spring Manufacturing

CSS specializes in the production of custom springs to meet exact customer requirements. The company works with:

• Wire types: round, square, braided, and shaped
• Wire diameters: from .004 inches to .350 inches
• Materials: a wide variety to support both small and large production runs

A range of in-house equipment—including coilers, grinders, wireforms, and automatic looping machines—enables efficient production of even the most complex spring designs.

Assembly and Precision Component Integration

CSS also offers assembly and subassembly services, combining precision-manufactured components into ready-to-use parts. Capabilities include trimming, grinding, insertion, staking, welding, and pressing, all performed with high levels of accuracy and consistency.