Contact

Do you require personal advice?

+49 4207 6887-0 Contact form

We build for the future!

Our second site is taking shape and the construction of our new production hall is progressing rapidly.

35 Years
HWR Spanntechnik

2024 is another milestone in the history of our company as a provider of premium clamping technology made in northern Germany.

For 35 years, HWR has stood for innovation, quality an reliability.

INOLine®
Quality Meets
Precision

With the INO® clamping systems, both square and round components are clamped in an optimally concentric manner. As a result, you can manufacture your components at a lower cost, particularly when clamping deformation-susceptible components.

To INOLine

SOLIDLine
Developed Further Out Of Conviction

With SOLIDLine we offer our customers the same superior service and high quality that we have provided for the past 16 years, while expanding our product range as a clamping technology manufacturer.

To SOLIDLine

INOFlex®
Endless Possibilities

INOFlex® is the flexible clamping system designed to solve practically every clamping task. Thanks to patented compensation, workpieces are reliably and concentrically clamped regardless of their geometry.

To INOFlex®

SOLIDGrip
& SOLIDPoint®
A Strong Team

Thanks to the module set-up, our SOLIDPoint® and SOLIDBolt zero-point clamping systems and our SOLIDGrip clamps get you rigged out in seconds for any application.

SOLIDGrip
SOLIDGrip
SOLIDGrip Zentrierspanner
INOTop®
SOLIDBolt
SOLIDGrip auf SOLIDBolt
INOZet®
SOLIDPoint®
SOLIDStamp
SOLIDStamp Prägestation
UNIJaws®
INOFlex®

GRIPPING MOTION EXPERIENCED

Get to see our products in action or let us explain them to you in short videos.

To All Videos
Excellent employer

What’s new
with us?

07 Jul 2025

New colleague in the sales force for Hesse and Rhineland-Palatinate

We are delighted to welcome our new colleague Tim Ritter to the team. Mr. Ritter brings with him an impressive level of expertise, which he acquired through his training as an industrial mechanic from 2008 to 2012 and his subsequent…
05 May 2025

Now also on site in Austria

Today we would like to introduce our new colleague Dominik Meindl. Mr. Meindl will be working for us in Austria as a technical consultant with immediate effect. He is a trained mechanical engineer and then successfully completed his further training…
05 May 2025

New support in the field service

Mr. Ron Brinkmann succeeds Christian Potratz and will take over the territory with immediate effect. Mr. Brinkmann brings with him impressive experience in the technical and sales fields. After training as a mechanical engineer, he worked for four years as…
13 Dec 2024

SOLIDPoint®  RoboConnect – interface for pneumatic robot adaptation

Presented at AMB 2024 Product information will follow shortly – available spring 2025 Zero-point technology taken further! SOLIDPoint® is a development from HWR which, in addition to its well-known properties, has one of the highest pull-in forces of any system…
18 Nov 2024

Here we go – ground-breaking ceremony for the new HWR hall!

It has taken quite a while, but now the time has come: the ground-breaking ceremony for HWR Spanntechnik’s new Plant 2 has taken place and construction work can begin. The new site is located very close to the main plant,…
18 Nov 2024

INOFlex® VFA – Hydraulically actuated 4-sided automation vice

Presented at AMB 2024 Product information will follow shortly – available spring 2025 The plus in innovation for automation With the new type for automated workpiece changing, HWR expands its range of applications and now offers even greater flexibility. The…
28 Oct 2024

SOLIDBolt Pallet adapter for automation pallets

Presented at AMB 2024 Product information will follow shortly – available spring 2025 The standard for special cases The principle of SOLIDBolt technology is based on a further development of the SOLIDPoint® principle. By reversing the interaction between the zero-point…
07 Oct 2024

Power chuck with through-hole and jaw quick-change system – INOFLex® VT-Q

Presented at AMB 2024 Product information will follow shortly – available spring 2025 With the new jaw quick-change system, HWR now offers even more flexibility and efficiency. The changeover to new clamping situations in a matter of seconds significantly reduces…
04 Sep 2024

SOLIDGrip MAXX – 5-axis centering vice in a new dimension

The new level for large workpieces Reduced to the essentials, SOLIDGrip vices offer a wide range of applications despite their simplicity. Whether  clamping raw parts with gripper jaws, clamping in smooth jaws or clamping contour parts – SOLIDGrip is the…
12 Aug 2024

New sizes in lightweight design – The new sizes from the INOFlex® VL

With the new INOFlex® VL032 and INOFlex® VL091 sizes, HWR is expanding its product range and offering even more variants for different clamping tasks. The new size INOFlex® VL032 with a diameter of 325 mm in lightweight design enables precise…
19 Jan 2024

SOLIDBolt meets SOLIDGrip – Simple, efficient and versatile

The new SOLIDBolt centering vice with integrated zero-point technology combines the advantages and wide range of applications of the SOLIDGrip vice with the fast and precise zero-point clamping technology of the SOLIDBolt series. Thanks to an HWR solution, the 45°…
18 Sep 2023

NEW! Our pneumatic zero point plate is now also available in a 96 mm grid

Just in time for the start of the EMO 2023 trade fair, we are pleased to present our pneumatic zero point plate in a 96 mm grid.
WITH OUR MANY YEARS OF MARKET EXPERIENCE, WE KNOW WHAT WORKS IN CLAMPING TECHNOLOGY

35 Years of Experience
and Innovation

After more than 3 decades of market experience, we know what works in the field of clamping technology. This is how the INOLine® and SOLIDLine product lines were created.

Worldwide Marketing
We Support

We collaborate with more than 36 HWR representatives worldwide, creating a tight network for the global distribution of our products

Save Valuable Time with HWR Products

HWR products represent practical solutions for practical applications. Our clamping technology saves you time and money.

Customer success stories

Präzitech

“Almost Continuously in Operation”

Flexible in the possibilities, precise under pressure: This is how the philosophy of PräziTec Haustein GmbH can be summed up. The metal processing company from Tettnang on Lake Constance produces a wide range of turned, milled, grinding and multi-task processing parts for customers from a wide variety of industries. Since June 2018, the 4-jaw-chuck of the concentrically and compensating clamping…
EMB

Always Properly Centered and Balanced

Thanks to the INOFlex and INOZet clamping solutions of HWR Spanntechnik, EMB Zerspanungstechnik can meet the quality demands of customers even better in series production. The Lahntahl in central Hessen near Biedenkopf was where many small and large foundries were located until 1960s and 1970s, but only the large ones were able to withstand competitive pressure long term. This also…

INOFlex® – powerful clamp

What do a cocoa press, a printing machine and a wind power plant have in common? Highly different parts can be fitted in them which at Kersten Maschinenbau are all machined with clamps from HWR Spanntechnik. The diversity of parts manufactured at Kersten Maschinenbau GmbH in Niederau near Meißen is enormous – and also one of the strong points of…
FENDT

Courage Sown, Success Harvested

HWR Spanntechnik delivers its 1000th INOFlex chuck to a tractor manufacturer. “A fantastic success story that shows us that dedication, courage and belief in one’s own innovative strenth is still worthwhile today”, says Volker Henke, Managing Director of HWR Spanntechnik from Oyten. The background to this statement is the delivery of the 1000th INOFlex® clamping device within just three years…

SOLIDLine
Developed Further Out Of Conviction

With the SOLIDLine we expand our product range as a clamping technology manufacturer while offering our customers the usual superior service and high quality we have provided for the past 16 years.

To SOLIDLine

INOLine®
Quality meets
precision

The INO® clamping system clamps both cubic and round components in an optimally concentric manner. As a result, you manufacture your components at low-cost. Particularly when clamping deformation-susceptible components …

TO INOLine

Do you want to
get to know our products?

Visit us at one of our trade fairs and get to know our products
in person. You can find the current trade fair dates here.

Date Exhibition / hall & stand Exhibitor Town, Country
09/22—2025/09/26 EMO 2025 | Hall 3 | booth F14 HWR Hannover, Germany Flagge
Clamping Jaws Finder
Company
Choose company
Product
Choose product
Diameter
Choose diameter
Download datasheet