The shaft is provided with a portion having external threading (7), and a nut (9) is provided to engage the threaded portion of the shaft.

An open end wrench that is adapted to rotate a predetermined hexagonal nut having equal, flat sides without deforming any of the corners of the nut.

Now you need to screw on a hexagon shaped nut onto the broken bolt.

The washer (5) is on its outside provided with a thread for the threading thereon of a nut part or sealing ring (6).

To that end, the tube (15) comprises inside the vehicle bodywork (1) an external thread (70) onto which a nut (75) can be screwed.

It's like screwing a nut harder and stronger and eventually breaking the thread - the bolt after that will already be useless.

With the windshield wiper devices known from the prior art, the drive shaft comprises an external thread onto which a nut can be screwed for a rotationally secured connection to the drive shaft.

A first nut (50) engages the threaded end of the first bolt (12) and a second nut (52) engages the threaded end (46) of the second bolt (36).

The shaft is provided with a portion having external threading (7), and a nut (9) is provided to engage the threaded portion of the shaft.

A nut (12) is threaded onto the end length (8) of the bolt (2), and tightened to clamp the spreader plate (14) against the substrate (4).

The invention comprises a mechanical two stage nut assembly, whereby the nut assembly has an internal threaded sleeve (3) that can screw onto a rock bolt (4), and a nut member (2) screwed onto the threaded sleeve.

The invention relates to a nut-like fastening element which serves a screwed connection of construction parts and plates.

Threads on a bolt engage threads on a nut attached to the conductor.

An open end wrench that is adapted to rotate a predetermined hexagonal nut having equal, flat sides without deforming any of the corners of the nut.

Now you need to screw on a hexagon shaped nut onto the broken bolt.