Structure of the torque wrench

calibration of torque wrenches also known as torque, torque screwdrivers.It is based on the principle of bending, torsion beam
Designed on the principle of bending and coil spring compression principle, able to measure the torque acting on the nut.Square Drive Hydraulic Torque Wrenches manufacturers and two types: flat plate and the dial.Torque wrench with a long flexible pole, its carrying handle at one end and the other end with a square or hexagonal head, on a square or hexagonal head set a sleeve that can be changed, with the ball stuck.At the top was also equipped with a long