Welcome to GSR – your expert for precision threading tools from Remscheid. For generations, we have been combining traditional craftsmanship with state-of-the-art technology to offer you tools of the highest quality. Discover our world of innovation and precision.

Gewindeherstellung Schneideisen in der Produktion von GSR

The Tool Factory GSR Gustav Stursberg produces threading tools at various locations in Germany, Europe and Asia for the processes of threading, drilling, countersinking, holding and measuring. These include taps, taps, dies, dies, die holders and thread gauges.

The German tool manufacturer GSR was founded in 1889 in the tool town of Remscheid. The brand GSR is composed of the initials of the founder Gustav Stursberg and the current location Remscheid.

News and updates

Our Products


Übersichtsbild GSR Silver Haltewerkzeuge in Blau in allen Größen

GSR product innovations


The Downloads

GSR Newsletter No. 19 All-steel tap wrenches and mini tap wrenches


GSR Newsletter No. 18 Threading Helper


GSR Newsletter No. 17 all-steel tap wrench with centering eye


GSR Threading Calculator App

With the new GSR Thread Calculator app, it is possible to determine core hole dimensions and roughing diameters for the most common thread types – without the hassle of looking up tables. In addition, you can have the core hole diameter calculated for thread formers and STI thread repair.

The operation is intuitive and simple. The thread calculator is available for free for iOS and Android devices.

Our Service

Product quality

GSR Gustav Stursberg is a tool manufacturer with more than 125 years of industry experience and tradition.

Customer service

We are available for you from Monday – Friday from 8:00 – 16:30 o’clock.


You can contact our WhatsApp support around the clock. We advise you on weekdays from 8:00 – 16:00 o’clock under: +491634189616.


GSR Gustav Stursberg offers training in various professions. Take a look at Career.

Environment Management

GSR Gustav Stursberg makes its contribution to society by attaching special importance to the protection of the environment and resources.

Quality management

GSR Gustav Stursberg is certified according to the quality management ISO 9001. Tradition and quality are reflected in our threading tools.

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