Sumitomo and MAS
A 40-Year
Success Story

In May 1981, Sumiden Hartmetall GmbH
was founded in Erkrath. In the same
year, the cooperation between Sumitomo
and MAS began. Today we are one of the
largest trading partners of Sumitomo.
To show this story we have created a
slideshow with special moments of the
last decades. Enjoy.
Reduce the COSTS
PER WORKPIECE

Together with you, we develop
future-proof tool solutions,
machining strategies, and process
optimizations for the machining
technology of tomorrow.

Learn more!
PZ^©turn

Modular quick-change system for
sliding lath/multi-spindle turning
machines with inner contour.

Order here!
Find your PERFECT CAREER
in our job offers!

We realize that we have to permanently further develop in order
to be able to consistently meet our most important goal:
Joint success through inspiring jobs that are secure in the long term.

Our current jobs!
MEX^©turn - it doesn't
get more precise
than this

Maximum precision thanks to the clamping
system with a high level of repeatability
for linear lathes and multi-spindles.

More accurate turning!
New CBN substrates:
BNC2010 / BNC2020

First choice for maximum
precision and highly efficient
machining of hard materials.

More precise turning!
Flat MULTI-DRILL

Excellent chip evacuation, internal cooling, and a
point angle of 180° on inclined and curved surfaces.

More flexible drilling!

We are MAS. People, Exigency, Synergy.

For more than 40 years, we have been tackling challenges that go well beyond selling high-quality tools. Together with you, we develop future-proof tool solutions, machining strategies, and process optimizations for the machining technology of tomorrow.

MAS solutions

To reduce your costs per component, we take a holistic approach towards your processes, continue where others stop, and push the boundaries of feasibility.

MAS innovations

Thanks to our tool innovations that are perfectly tailored to your needs, you set new benchmarks with regard to efficiency, flexibility, and precision.