Since 1904, Koellmann Gear has stood for quality products with the highest standards. As a division of Thielenhaus Technologies GmbH, we combine cutting-edge innovations with our many years of experience in producing gears. In order to better serve our customers, we have consistently set the highest quality standards when it comes to the wide array of Koellmann gears in use around the globe.
UNEX is an extruder gear series with 18 sizes and more than 500 variants. The design is adapted to the individual customer requirements.