Hydraulic RD520 Sandvik Rock Drills Machine 10kg 20-22kW For Underground Mining

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

SEO Keywords

RD520 rock drill, Sandvik RD520 hydraulic rock drill, RD520 tunneling drill, RD520 mining drill, hydraulic rock drill RD520, Sandvik drilling equipment.