GSR made a strong impression at the China International Hardware Show 2025 in Shanghai. Numerous visitors showed great interest in our precision tools for internal and external threading, thread repair, and drilling. The exhibition once again highlighted GSR’s commitment to delivering quality and German engineering excellence to customers worldwide.
Werkzeugfabrik GSR Gustav Stursberg produces threading tools at various locations in Germany, Europe and Asia for threading, drilling, countersinking, holding and measuring processes. These include taps, thread taps, dies, tap wrenches, die holders and thread gauges.
The German tool manufacturer GSR was founded in 1889 in the tool town of Remscheid. The GSR brand is made up of the initials of the founder Gustav Stursberg and the current location in Remscheid.
News and updates
Assets and Downloads
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.
