Tandem roll groover

Tangential rolling attachment for a machine tool

Tangential rolling head

Tangential rolling head

Tangential rolling head

Tangential thread rolling head

Tangential thread-rolling head

Tapered rolled thread bar joint

Tapered thread roll-forming machine

Thin-wall spline forming

Thin-wall spline forming machine

Thread forming method and apparatus

Thread roll attachment

Thread roll timing

Thread rolling apparatus

Thread rolling attachment

Thread rolling attachment

Thread rolling attachment and method

Thread rolling die and method of thread rolling

Thread rolling die and process for the production thereof