ITH Bolting Technology is the worldwide leading system supplier in industrial bolting technology with 4 key sectors:  high-quality bolting tools, engineering know-how, innovative fasteners, and qualified service.

As a private-owned engineering company with a long-term business-strategy, the worldwide network includes 17 ITH-subsidiaries and more than 40 global representations.

Leading innovation

With more than 200 international patents ITH is among the most important drivers of innovation in bolting technology. The ITH scope covers:

• bolting tools (bolt tensioning cylinders, hydraulic torque wrenches; electric, battery-driven, and pneumatic nut runners)
• fasteners
• engineering solutions and
• service.

The ITH stretch method (hydraulic torsion-free and friction-free tensioning) was introduced in 1980. Achieving reproducible pre-tensioning forces within a close tolerance of ±2.5% today the ITH Stretch Method is the leading method to tighten and loosen bolted joints on slew bearings, gas and steam turbines, or flange applications.