Tiefbohrbär GmbH

Tiefbohrbär GmbH is an ISO-certified company in accordance with ISO 13485 and ISO 9001. At our two locations (Switzerland/Germany), we primarily process workpieces that are delivered with a finished turned outer contour. The unique Tiefbohrbär drilling process, which has been awarded the Quintessenz Qualifizierter Qualität (QQQ) certification, offers customers obvious advantages.

Deep hole drilling dimensions:                                  

• Diameter: 0.5–275 mm
• Drilling depth: up to 6000 mm
• Drilling progression: 0.1/100 mm
• Residual wall thickness: up to 0.12 mm between holes and 0.5 mm between hole and outer diameter
• Drilling surface: up to N6/Ra0.8
• Drilling tolerance: IT8
• Drilling base: according to customer requirements
• Part weight: max. 3200
• Deep hole drilling can be straight, angled, stepped, combined multiple times, centric or eccentric, and also countersunk

Dimensions honing/cross grinding:

• Diameter: 2.5–300 mm
• Honing depth: up to 4000 mm
• Surface finish: up to N3/Ra0.1
• Bore tolerance: IT5
• Part weight: max. 3200 kg
• Rolling/smooth rolling of bores on request

Our vision:

Tiefbohrbär aims to achieve the smallest and deepest bores with the thinnest residual walls, maximum precision, and a smooth surface, based on the model of biological hollow cylinders such as veins and arteries. Tiefbohrbär boreholes® offer intelligent designers unique opportunities. Your workpieces not only become smaller and lighter, but also save material, protect the environment, and reduce costs. This gives all Tiefbohrbär customers the opportunity to develop ideas for new applications, tackle technological changes, and anticipate the future.

Welcome to the circle of my satisfied customers.