A quick key. Participants NTTM Novokuibyshevsk a freight motor transport enterprise Governance transport control embedded high-speed universal wrench for screwing of pins. Thanks to the use of replaceable liners with Central threaded holes for different diameters of Pins it can be used for screwing studs of any sizes.
The key comprises a hollow body, springs, stopper, studs, cone bearing and liner. Before you start working in the body of the key insert with a thread corresponding to the size of the studs. When screwing to the shank of the stopper is worn on the arm, when the mechanical actuator key mounted in the Chuck. During rotation of the tool insert is screwed on the stud and deepens it in detail. Simultaneously, under the action of the spring, the shutter is held in the lower end position of the finger is included in the horizontal part of the groove, providing an automatic locking with the upper end of the stud.