The ITH Stretch Method is used primarily in areas where bolts have to be pre-tensioned to a high reproducibly or simultaneously. The flanges of a structure can be pre-tensioned evenly by using several bolt-tensioning cylinders (multi-tensioning system).
| Multi Tensioning System | |
 APL large roller bearings in Sembawang, Singapore. |
4 ITH bolt-tensioning cylinders in simultaneous operation on a large roller bearing in the oil industry with a diameter of five metres. A pump drives them simultaneously. In addition, the M60 bolts were fitted with ITH round nuts to achieve optimum pre-tensioning. |
| Multi Tensioning System | |
 GE gas engine in Jenbach, Austria. |
Simultaneous pre-tensioning of two main bearing bolts on a GE diesel engine in Jenbach, Austria. The bolt dimension is M30. One pump unit drives both bolt-tensioning cylinders with a simultaneous setting. This ensures that each bolt receives the same pre-tensioning force. |
| ITH Stretch Method | |
 In turbine and compressor construction in San Francisco, USA. |
ITH service technician tensioning casing-joint bolts on a GE gas turbine in San Francisco, USA. The bolts are 1.5" -8 UN in size and are subject to high temperatures (500°C). |
| ITH Stretch Method | |
 On a tension rod in Berlin, Germany |
The tension rod bolt at an turbine with the dimension M290 is screwed exactly by an ITH-special construction. The biggest bolt-tensioning cylinder, which is produced by ITH, had the thread size W510 (510mm). |
