HEICO-TECH

For a secure joint with a HEICO-TEC tension nut, no electric, hydraulic, or pneumatic tools are needed. All you need is a torque wrench.
The HEICO-TEC tension nut is unique in the fact that the pretension force of the large main thread is distributed to many smaller pressure bolts. Because the pressure bolts are smaller, a convetional torque wrench can be used to achieve the correct pretension force.