Installation tool for a wire thread insert having an installation pin that can be bent back, and installation method

An installation tool for a wire thread insert having a cylindrical coil with a plurality of helically wound windings of a wire, in which a first winding comprises a driving tang with a moving notch protruding into an interior of the coil via a bending portion, wherein the installation tool comprises the following features:

• a) a rotatable mounting spindle with a driving end for rotating the mounting spindle and a functional end for installation of the wire thread insert, wherein
• b) the functional end comprises at least one turn which is reduced in length in a circumferential direction and which has a driving edge at a first end for engagement into the moving notch of the wire thread insert and a bend-up-shoulder at a second end for bending the driving tang of the wire thread insert radially outwardly.

An installation tool for a wire thread insert having a cylindrical coil with a plurality of helically wound windings of a wire in which a first winding comprises a driving tang with a moving notch protruding into an interior of the coil via a bending portion, wherein the installation tool comprises the following features:

• a) a rotatable mounting spindle with a driving end for rotating the mounting spindle and a functional end for installation of the wire thread insert, in which
• b) the functional end comprises a first threaded portion having a first core diameter and a second threaded portion having a second core diameter, wherein the first threaded portion is arranged between the driving end and the second threaded portion, wherein the second core diameter is larger as the first core diameter, and wherein
• c) the functional end comprises a recess in a turn, wherein the recess forms an undercut for the driving tang of the wire thread insert in a drive-in direction.