Up to ST68 diameter for both surface and underground drilling
High energy per blow for maximum penetration rate
Robust body designed for extreme applications
Long maintenance intervals and extended wear parts lifespan
Heavy-duty front guide designed for large diameters rods
Large diameter holes with very low energy consumption
Cost-saving drifter: operational costs and cost per cubic meter
Heavy-duty drifter
Suitable for large diameter holes
Very high rotation torque