AugerBohrer

AugerBohrer is a term used in German-language technical literature to describe a combined drilling and augering tool, designed to bore holes while simultaneously transporting excavated material to the surface. The name combines the English 'auger' and the German 'Bohrer' (drill).

Design and function: In many designs, a central cutting tip creates the hole while a helical auger around or adjacent to the bit carries cuttings upward. Some configurations integrate the auger and drill into a single rotating assembly; others use a separate auger screw coupled to a drilling spindle. Power sources range from electric motors to pneumatic drives, with safety features such as depth stops and guards.

Operation: The tool is advanced into the substrate while rotating; the auger removes material and reduces clogging, enabling deeper drilling with cleaner hole walls. Some models include a pilot bit, crown cutter, or adjustable auger pitch to suit soil type and hole diameter.

Applications: AugerBohrer devices are discussed for soil sampling in geotechnical investigations, installation of posts or foundations, trenching for utilities, agricultural planting, and archaeological or environmental sampling where rapid hole creation is advantageous.

Market presence: The term is not universally standardized and may be used variably by manufacturers. In many cases, similar tools are marketed as auger drills, auger bits with drills, or combined bore tools; specifications vary by material compatibility and required hole dimensions.

See also: Auger, Drill, Borehole.