The Specialist for Horizontal Boring Mills


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 suppliers 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.

Product portfolio

  • Horizontal boring mills
    • Floor type
    • Planer type
    • Table type
  • Travelling column mills


  • Siegen (Germany)
  • Chemnitz (Germany)
  • Meuselwitz (Germany)


New machines

Waldrich Siegen GmbH & Co. KG

Eisenhüttenstr. 21
57074 Siegen


T: +49 271 6906-600

Service & Modernization

UNION Werkzeugmaschinen GmbH Chemnitz

Bornaer Str. 205
09114 Chemnitz

T: +49 371 6760044-0