Keys Locking Insert 1.Keensert is a special fastener with internal and external threads and four or two latch keys... Read More Simple Installation Tool For Wire Thread Insert Simple Wrench Recommended for small sizes and fine tooth sizes. ...
internal spring loaded pawl located at the tip of the tool's mandrel. During installation this hooked pawl locks into the insert Driving Notch and rotates the insert into the tapped hole, The pawl then retracts onto the mandrel to allow the tool back out of the installed insert. ...