Turnbuckle specifications detail the tensioning hardware used to maintain proper belt tension in automated door systems. These specifications include thread specifications, load ratings, adjustment range, material construction, and installation procedures. 

Proper belt tension is critical for smooth operation, minimizing wear, and preventing slippage during door movement. Installers and maintenance technicians reference these specifications during initial installation and periodic maintenance to ensure optimal system performance. 

The turnbuckle allows for precise tension adjustment as belts naturally stretch over time, making it an essential component for long-term reliability in both residential and commercial door automation applications.