What is ratchet screwdriver?
Screw, and then with ratchet function, the head is usually made of magnetic steel hexagonal sleeve joint, you can change the batch head.
In the cylindrical hole communicated Waiyuan cross extension block arc toothed belt at one end of the knife rod end is arranged on the gear, gear is arranged in a cylindrical hole and matched with the both sides of tooth. When the utility model is used, the screw can be screwed or screwed by the small angle of the handle, and the work efficiency is greatly improved, the labor intensity is reduced, and the working time is shortened.
A manual tool comprises a handle, a cutter rod, connector, connector is provided with the cylindrical hole, the cylindrical end is respectively provided with a groove outside the park, one section of the flutes and cylindrical holes in a cross shaped groove is communicated, in the end is matched with a spring extension block
Ratchet screwdriver, also called ratchet screwdriver
