SPIROL Email Format
Industrial Machinery ManufacturingConnecticut, United States201-500 Employees
Based in Danielson, Connecticut, SPIROL is a mid-sized industrial machinery manufacturer that supplies engineered fasteners and related components designed to improve assembly quality, extend product life, and reduce manufacturing costs. The company emphasizes its deep application engineering expertise and provides a total integrated solution that covers both the engineered component and the installation equipment, supporting customers during the design phase. Most heat-treating and finishing are performed in-house to ensure consistent quality, backing a broad portfolio of standard products. SPIROL serves manufacturers seeking reliable fastening solutions that can standardize quality and streamline production. It positions itself in the industrial machinery sector as a provider of engineered fasteners with an integrated design-support approach, rooted in the company’s history dating back to the 1948 invention of the Coiled Spring Pin. A 2026 development highlights the launch of machined aluminum threaded inserts designed for heat or ultrasonic installation into straight plastic holes.