Locking apparatus for bar-shaped elements as used in weaving

Locking thread cold forming tool

Locking thread forming tap

Machine tools

Machines for tapping nuts

Making of self-locking internally threaded fasteners

Means for supporting a workpiece during moderate working...

Method and apparatus for producing drill screws

Method and apparatus for swaging screw blank extremities

Method for cutting the flanks of an infeed worm and worm...

Method for forming an internal thread on a base body

Method for manufacturing a thread-forming screw

Method for securing a threaded insert in a threaded opening

Method of and apparatus for thread mill drilling

Method of forming an internal thread in a hollow body

Method of forming screw threaded metal parts

Method of making a threaded insert assembly and product

Nut-tapping apparatus

Optical film

Oriented type shank slotter