Laurentcoat

Allen bolts are fastening elements widely used in industrial applications where mechanical strength, precision and reliability in the joint are required. Their most recognizable feature is the interior hexagonal socket head, which allows high torque values to be transmitted using an Allen key and facilitates assembly in confined spaces.

The energy transition in Argentina is progressing with large-scale projects that position the country as a key player in renewable energy at the regional level. The El Quemado Solar Park is one of the most compelling examples of this process.

A Class 12.9 bolt passes all quality controls, is installed correctly, and fails after 72 hours. There is no visible corrosion. There was no overloading. The problem occurred before assembly, during the coating process. It's called hydrogen embrittlement, and in the metalworking industry, it's one of the most underestimated failure modes.