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ITH Bolting Technology is the worldwide market leader for hydraulic, friction- and torsion-free bolt tensioning (ITH Stretch Method). In 1979 the founder of ITH - Hans Hohmann - first introduced the bolt tensioning process to the gas and steam turbine industry. This concept of engineering innovation has been a part of ITH since the beginning.
Throughout the years ITH has earned more than 200 international patents and numerous customer and industry specific solutions which have become a standard within the bolting industry. These accomplishments combined with a continued dedication to engineering innovation have proven ITH as the market leader for hydraulic, friction- and torsion-free bolt tensioning.