Tools & Accessories
Precisely Tailored to Every Type of Soil
Reliable tools are the foundation of any construction project. LEFFER supplies drill pipes, drilling tools, and accessories for all standard drilling methods – precisely tailored to the machine and soil conditions. Standard drill pipes for depths up to 35 m, heavy-duty versions for depths over 100 m. Patented pipe connections ensure quick assembly and optimal force transmission. Everything is developed and manufactured in-house – for a perfect fit and long service life.
Electric automatic rotary adapter
Drilling rigs of the latest generation deliver very high torques, which increasingly means that cased holes can be drilled even to greater depths. For this purpose, longer and longer casings are used, where the rotary adapter must be locked at great heights. It is also sometimes necessary to „untwist“ the casing by pulling it back, which makes …
Stop-end-elements and accessories
In the production of cast-in-situ concrete diaphragm walls, the use of the correct stop-end-elements plays an enormously important role, especially with regard to watertightness. Especially for wide diaphragms (B 800 mm and larger), the use of stop-end-elements is mandatory, as otherwise the reinforced diaphragm length is greatly reduced (e.g. …
