Dieco, your spring specialists

As the fulfillment division of The Producto Group, Dieco offers a diverse range of industry-standard springs, customized springs, die sets & components, and accessories for a variety of industries.

The Producto Group is committed to providing a unified “One Producto” solution, by delivering a comprehensive suite of products and services for a variety of highly regulated industries.

Specializing in the manufacture of ultra-precision tooling for a variety of applications in the medical, defense and other highly regulated industries. Applications include tooling for injection molds, ISO compliant luer tooling, medical & veterinary syringe bodies & tooling, ejector/core pins & sleeves, bushings, draw punches, assembly tooling, and industrial punches & dies.

Offering a wide range of machining capabilities for complex geometries on small or large parts for the aerospace industry. Ranging from precision engine components in super alloys to structural aircraft components manufacturing to connectors for aerospace and military aircraft.

Transforming customer designs into tangible products by using a unique thermoforming or injection molding process for heavy-gauge plastic enclosures. Serving diverse markets such as medical device, biopharma/diagnostics, automation & robotics, test & measurement, and diversified industrial sectors.

About Us


DIECO, a Producto Group Company, has been serving the manufacturing industry since 1964. On your behalf, we offer only the finest quality products. Whether you are looking for custom springs, die springs, accessories, die sets or components, you can be confident that our parts and delivery times exceed your expectations.


At Dieco we put the customer first. If you need help with a product or have questions about it, the experts at Dieco are a phone call away. Our knowledgeable staff will gladly provide consultations to find the products that fit your requirements. With decades of experience, we guarantee quick, knowledgeable responses so that all your needs are met.


We specialize in custom springs. Simply fill out the Custom Spring Form and send us an image, sample or drawing and our customer service team will take care of the rest! We offer a wide variety of custom springs, including:

  • Compression Springs
  • Tension/Extension Springs
  • Coil Springs
  • Disc Springs
  • Flat Springs


Place your order for in-stock parts by noon and you’ll get them shipped same day in the US! DIECO stocks the full line of Raymond inch series die springs, an extensive assortment of service parts springs, DLINE springs, grease, and most accessories.