The concept of a Hi Torque Hydraulic tools wrench was first introduced on the market sometime in the early 1960s in a primitive form, and several key advances have been developed by manufacturers since that time which provided major advancements in the technology and usability of the tools far beyond the original concept tool .
These tools have revolutionised the bolting industry and brands such as Hytorc, Plarad, Torcup, Rapidtorc, Enerpac, HTL, Atlas Copco have become common house hold names throughout Mining, Towercranes, Power Generation, Windfarm, Petrol Chemical, Ship industries.