About us

Precise heavy-duty machining

The horizontal boring mills of the Union brand are used worldwide by renowned customers to achieve the utmost precision and efficiency. The uncompromising implementation of the values innovation, flexibility, quality and performance make Union horizontal boring and milling machines the quality standard. They machine workpieces with a length of up to 40 m, a height of up to 10 m and a weight of up to 250 t with outstanding precision.

The companies of the HerkulesGroup are the only German supplier to offer boring mills covering the complete range of 110 to 260 mm spindle diameter – with linear or fully hydrostatic guideways – as well as a wide range of travelling column mills. Thanks to a comprehensive range of equipment, the machines cover many applications.

Part of a strong group

All major components of the machines of the Union brand are manufactured within the HerkulesGroup – this guarantees the highest quality and flexibility. The machines of the Union brand are sold worldwide through a sales and service network consisting of company-owned subsidiaries and representatives. Thus, competent customer service – fast, uncomplicated and in the local language is offered.

Your contact partner New machines


We are here to help:

T: +49 271 6906-600


Your contact partner Service & Modernization


We are here to help:

T: +49 371 6760044-0