Overview
The Sandvik RD520 Hydraulic Rock Drill is a powerful and reliable rock drilling unit designed for underground mining, tunneling, and surface drilling applications. With high impact energy, excellent penetration rates, and robust
construction, the RD520 is built to deliver consistent performance
in the toughest rock conditions.
Key Features
High impact energy for maximum drilling efficiency
Heavy-duty design ensures long service life and reduced maintenance
Advanced flushing system (air or water) improves hole quality and tool life
Optimized hydraulic system for stable and efficient operation
Proven reliability with strong track record in mining and tunneling projects
Technical Data (Metric)
Nominal Power Class: ~20–22 kW
Optimal Hole Diameter: 45 – 76 mm
Impact Energy: ~400–450 J
Percussion Pressure: up to 220 bar
Percussion Oil Flow: ~90–100 L/min
Rotation Speed: up to 270 rpm
Rotation Torque: 900 – 1000 Nm
Shank Adapter Size: T45, T51
Lubrication System: Air-oil mist
Flushing Options: Air or water
Weight: ~180 – 200 kg
Applications
Face drilling in underground mines
Long-hole drilling in medium to hard rock
Tunneling and infrastructure projects
Compatible with Sandvik and other hydraulic drill rigs
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