Hydraulic underground rock drill

RD 100

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Atlas Copco Hydraulic Rock Drill system

The HRD system consists of a rock drill, power pack and a selection of pusher legs.
The focus for our dvelopers was to provide hydraulic drilling that helps you exceed your production targets in a safe way. Thanks to the hydraulic system you don´t have to worry about loosing production time due to poor air pressure at large depths. We have also gone out of our way to design a system that helps you avaoid heavy lifting and wasting precious energy. We use best materials available and combine them with active security systems that protect both you and the equipment. After all, your business is our business.


Soft start

Slow speed makes collaring easier

Protects what’s good

A polyurethane cover protects the equipment, reduces noise and enhance vibration-damping

One hand free

One-handed operations makes work safer

Easy chuck change

You save valuable service time thanks to a replaceable rotation chuck

Drilling freedom

You can use most drill steels and any shank lengths over 159 mm with the RD 100

Get a grip

Hold the drill firmly in the front handle. The removable carry handle on top makes it easy to move around

RD 100 hydraulic underground rock drill

The RD100 has a soft start function that is easy to reach with one hand. This means you can work with more precision, and collaring is made especially easy.
When it’s time to go faster, the RD100 is one of the most powerful drills on the market. The hydraulic system has an increased drill rate compared to electrical systems, and is considerably more energy efficient than pneumatic drills.

Technical specifications

Technical details

Rock drill type

Underground rock drill

Weight without hoses

22.6 kg

Max. hole diameter

42 mm

Max. drilling depth

2.4 m


604 mm

Oil flow

38 l/min

Working pressure

100 bar - 120 bar

Impact rate

3,600 blows/min - 3,900 blows/min

Working temperature, oil

20 °C - 60 °C

Working temperature, water

5 °C - 30 °C

Water flow rate

12 l/m

Ambient temperature

5 °C - 40 °C

Shank size: Hex

22x108 mm - 7⁄8 x 41⁄4 inch

Part number

8311 0303 58
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