At what angle is the efficiency of an eyebolt typically reduced to?

The efficiency of an eyebolt is typically reduced significantly as the load angle increases, and at 90 degrees, the efficiency is generally at its lowest. At this angle, the load is completely lateral, which means that the entire force is applied perpendicular to the axis of the eyebolt. This leads to the reduction in its ability to handle the load effectively, as the structural integrity and design of the eyebolt are primarily intended for axial loads. The reduction in efficiency at this angle means that an eyebolt is not well-suited to carry loads effectively when the load is applied laterally, making it potentially unsafe for rigging purposes. Understanding this concept is crucial for proper rigging and safety practices in theatre and other applications where eyebolts are used.