About HWR

Innovations for your clamping technology

› About HWR

HWR: clamping technology from the market leader.

HWR Spanntechnik GmbH is the German market leader for the clamping of deformation-sensitive workpieces and has been successfully operating since 1989 as a provider of clamping tools for high-precision turning and

Focus on your application: With over 25 years of experience we understand your applications in detail – and always focus on your applications in our developments. At HWR, innovative strength meets absolute precision in its execution. The result: application-optimised clamping tools that reliably meet the increasing demands encountered in turning. Rely on our effective yet efficient solutions – for optimum production results.

Ino®: solution-orientated and innovative

The Ino® product range is unique – and a prime example of the solutionorientated approach of our development team. Ino® products have been specifically designed for the clamping of deformation-sensitive parts and the combined clamping of the most diverse workpieces. The patented engineering of InoFlex® thus permits the concentrically-compensated clamping of round, rectangular and geometrically irregular parts.



HWR and LANG Technik

HWR Spanntechnik has had a close partnership with LANG Technik since 2003. HWR is the exclusive distributor for the LANG milling and automation product range in Northern and Central Germany.

LANG's stamping technology is successfully used around the world every day. The product range of LANG Technik GmbH, founded in 1982, includes the PrägeFix, stamping systems, the 5-face MakroGrip centre vice, the QuickPoint zero point clamping system and the EcoTower and EcoCompact automation solutions.

At the cutting edge

HWR’s success story


Henke Construction Office founded

In the early days mechanical equipment and small construction solutions were developed in Volker Henke’s parents’ house. The tasks facing the young company grew, as did its workforce, and it moved to large premises to expand. Select your specification to download:


Start of the sale and distribution of clamping jaws

At the end of 1990 HWR became the nationwide German representative for Thame Workholding clamping jaws. The company’s customer base grew over time throughout Germany, but specifically in Northern and Central Germany.


Product range expanded

Successive expansion of the product range with manual and power chucks and customised designs.
First own field sales representative in NRW and Hamburg.


Expansion of the production facility and sales

Continuous expansion of sales, design and manufacturing. New building and expansion of the company’s building in Oyten.


Partnership with LANG Technik

Development of the InoGrip® stamping jaw system together with LANG Technik. Commencement of sales in Northern and Central Germany for LANG Technik products. Turntec Award presented to the company in Frankfurt at Euromold.


Development and launch of the InoZet® clamping system

InoZet® transforms a 3-jaw chuck into a compensating 6-jaw chuck. The clamping system is showcased at NORTEC in Hamburg and wins the NORTEC Award.


Development of the InoTop hybrid clamping jaw®

Development and launch of the InoTop® clamping system – a hybrid clamping jaw developed by HWR, which centres workpieces from the outside and clamps them from the inside.


Development of the InoFlex® clamping system

Development and launch of the InoFlex® clamping system – a compensating 4-jaw chuck developed by HWR.


Expansion of the Management

Henrico Viets and Matthias Meier join the management.

Establishment of sales partners in Switzerland, Austria, the Netherlands, England and Canada.

25th company anniversary


Relocation to the new company building with 1000 sqm office space and 2000 sqm production area.

Market launch of the through hole power chucks type VT.

Establishment of sales partners in the USA, Sweden, Finland, Norway, China and the Baltic States.


Market launch of the weight reduced manual chuck type VL.

Establishment of sales partners in Spain, South Korea, Czech Republic, Slovenia, Israel, Iran.


Market launch of the stationary InoFlex 4-jaw vice type VF.

Establishment of the sales partner in Poland.




Concept presentation of the hydraulic VF clamp, for automated production, at the AMB in Stuttgart.
Establishment of sales partners in France, Turkey and India.

Looking into the Future

Ongoing evolution of our Ino® product range

We will retain our philosophy of "thinking outside the box” and continue working in future on improving and redeveloping our products to facilitate and simplify the efficient production of your products.