Our revolutionary direct tension indicators (DTIs) are based on decades of research and utilize the latest technologies in the bolting industry. They are used around the world by some of the largest and most successful engineering, procurement, and construction (EPC) firms. Now, we have found innovative ways they can be used to improve your flange bolting process.

Whether you want to revamp your entire system – or you simply want to increase efficiency while still using your existing fasteners, torquing pattern, and tools – we have a solution. These quality, American-made products all provide you with visual quality assurance, enabling you to do the best job possible. Review the options below to discover the best choice for your project.