Where to Buy Custom Metal Springs Online: Top 7 Suppliers
Custom metal springs are essential components in countless industries—from automotive and aerospace to electronics and medical devices. Finding a reliable online supplier who can deliver high-quality springs tailored to your exact specifications is crucial. To help you navigate the market, we've compiled a list of the top online suppliers for custom metal springs. Each has been evaluated based on product range, customization capabilities, quality control, and customer service.
1. The Spring Store
The Spring Store is a well-known online retailer specializing in both stock and custom springs. They offer an extensive inventory of compression, extension, torsion, and constant force springs. Their custom spring configurator allows you to input your required dimensions—wire diameter, outer diameter, free length, and number of coils—and receive a quote instantly.
What sets them apart is their commitment to fast turnaround times and no minimum order quantity. They also provide detailed engineering resources, including spring design guides and force calculators. Their quality assurance includes 100% inspection of custom orders. For startups or R&D teams needing prototypes, The Spring Store is a solid choice.
2. Lee Spring
Lee Spring has been a leader in the spring industry since 1918. They offer one of the largest selections of stock springs globally and produce custom springs to exact specifications. Their online platform features a “Custom Spring” tool where you can specify material (e.g., music wire, stainless steel, beryllium copper), end types, and surface finishing.
They cater to high-volume production as well as small-batch runs. Lee Spring also provides value-added services like spring assemblies and sub-assemblies. With ISO 9001 certification and a strong engineering support team, they are ideal for mission-critical applications where tolerances are tight.
3. Acme Spring
Acme Spring is a family-owned manufacturer with over a century of experience. They specialize in custom springs for demanding environments—including high-temperature, corrosion-resistant, and heavy-duty applications. Their online request-for-quote system is straightforward: upload a drawing or describe your needs, and their engineers will respond within 24 hours.
They produce springs using materials like Inconel, Hastelloy, and titanium, which sets them apart from many competitors. Acme Spring also offers wire forms and custom metal stampings. Their dedication to precision and durability makes them a top pick for aerospace and military projects.
4. C&K Springs
C&K Springs is a UK-based manufacturer with a strong global online presence. They provide custom springs in various forms, including coil springs, leaf springs, and spiral springs. Their website features an easy-to-navigate quote builder that guides you through material selection, dimensions, and load requirements.
They emphasize quality with ISO 9001:2015 certification and rigorous testing, including fatigue and stress analysis. C&K Springs also offers rapid prototyping with lead times as short as five days. Their technical blog and FAQ section are valuable resources for engineers.
5. Precision Springs
Precision Springs (part of the MW Industries group) serves a wide range of industries, from automotive to industrial equipment. Their online custom spring ordering system allows you to specify parameters like spring rate, solid height, and coil direction. They also stock thousands of standard springs for immediate shipment.
One key advantage is their “Quick Quote” tool, which provides pricing and lead times in seconds. They offer many finishes, including passivation, black oxide, and zinc plating. With multiple manufacturing facilities across the US, they can handle large-volume orders efficiently.
6. Diamond Wire Spring
Diamond Wire Spring is a niche supplier focused on custom wire springs and forming. They produce springs from wire diameters as small as 0.002 inches up to 0.500 inches. Their online portal lets you upload CAD files for instant automated quoting.
They are known for their exceptional precision, holding tolerances to ±0.001 inches. They also offer secondary operations like grinding, deburring, and heat treating. Diamond Wire Spring is a great choice for medical devices, sensors, and fine electronics where space is limited.
7. Newcomb Spring
Newcomb Spring is a family of manufacturing companies with locations in the US, Canada, and Mexico. They offer a comprehensive online custom spring quoting process. Whether you need compression, extension, or torsion springs, their engineers can handle complex shapes and multi-step forming.
They stand out for their ability to integrate springs into larger assemblies, providing turnkey solutions. Newcomb Spring also emphasizes sustainability through lean manufacturing practices. Their robust quality system includes statistical process control (SPC) and FMEA analysis.
Each of these suppliers brings unique strengths to the table. When choosing where to buy custom metal springs online, consider your specific requirements: material, volume, lead time, and budget. Always request samples or prototypes before committing to large production runs. For a free consultation on your spring project, contact our team—we're here to help you manufacture the perfect component.
