Hydraulic Torque Wrench is a drive torque tool. It has two structures: Drive and Hollow. The wrench is made of aluminum-titanium alloy or high strength alloy so as using for large-size bolts. It is a very useful tool when you install and remove the bolts and nuts, precisely control the tightening torque accuracy and widely applied in machinery equipments and installations in the fields of metallurgy, electric power, chemistry industries, machinery, bridge and communications etc. It helps you remove/or screw the bolts easily and quickly, also ensure the torque value as you need. 

We have two kind of hydraulic torque wrench: Square drive hydraulic torque wrench and utra-thin hllow hdraulic trque wench.