SPIROL white paper explains the ins and outs of selecting the proper diameter and duty of this engineered-fastener. SPIROL invented the Coiled Spring Pin in 1948. This engineered product was ...

One of the primary benefits of using a Coiled Spring Pin to affix a hub or gear to a shaft is the Coiled Pin’s ability to prevent hole damage. Another benefit is that the Coiled Pin absorbs wider hole ...

This file type includes high resolution graphics and schematics. Engineers working on everything from laptops to cosmetic cases to glove boxes commonly use coiled spring-pin hinges because they can ...

The Coiled Spring Pin was invented by Herman Koehl in 1948. Easily recognized by its unique 2¼ coil cross section, Coiled Pins are retained by radial tension when installed into the host component, ...

Spring pins are mechanical fasteners used for a variety of functions including hinging, aligning and joining Figure 1: Left: coiled spring pin. Right: slotted pin. Source: Spirol two or more parts ...