AD-insert® keylocking threaded insert is a kind of special fastener with external and internal thread and there are 4 or 2 keys on external thread. Install insert into the tapped hole, then press-into 4 keys,resulting a strong tightening effect. This kind of inserts are mainly used for the products of high strength of screw thread such as:military industry, aerospace, railway locomotives, mechanical vibration and so on.
The following is installation methods for keylocking threadedinserts:
1:Drill: The drill hole’s depth should be greater than keylocking threaded insert’s length.
2:Tapping: the tapped thread should be matched with external thread of keylocking threaded insert.
3: Install: screw insert into hole, the insert should below the surface of the workpiece.
4:Lock : press the insert’s keys into hole with special tools.
5:The state of keylocking threaded insert,after installation.(as picture)
