The difference between a ratchet wrench and a torque wrench
Torque wrench. - also called torque wrench or torque wrench, torque force and distance is the product of the need to control the torque exerted on the fastening screw bolt and nut threaded fasteners, to ensure that the thread fastening torque is too large and does not damage due to threads, so use the torque wrench to operate. The first set a torque limit when the applied torque reaches the set value, the wrench will be issued a "Kata" sound or a wrench bend at the joint point of this representative has not the fastening force.
Because a plum blossom sleeve has two specifications of plum shaped through holes, the utility model can be used for the tightness of the screws of two specifications, thereby enlarging the range of use, and saving the cost of raw materials and working hours. The wrench can easily adjust the angle of the wrench. The wrench is used for the tightness operation of screws, and has the advantages of strong applicability, convenient use and low cost.
Ratchet wrench: a manual screw wrench, single head and double head, multi specification movable handle, ratchet ring spanner (fixed hole). The utility model is connected by the main plum blossom sleeve with different sizes and the negative key and the male key joint of the plum blossom sleeve through an articulated key
