Small and Productive.

Long hole micro jumbo for very small sections; specially designed to be disassembled and entered to drilling work sections throught shafts
avoiding the construction of access ramps. Equipped with Montabert drifter HC 50 (14 kW) and pendulum arm for transversal slipping feed
The drilling feed offers two options: for 3 ft rods (2.14 m lenght) and for 4 ft rods (2.46 m lenght); shank adapter R32 and T38.

Diameters since 51 up to 64 mm, reamer 102 mm, maximum drilling lenght 15 m, full 360°. Transversal coverage with automatic parallelism 1.15 m.