Rock Driller Pilot Systems are designed for HDD pilot drilling in challenging ground conditions where durability and steering control are critical. The system supports stable drilling performance, tool guidance compatibility, and reliable operation across demanding utility installation projects.
Optimized for pilot drilling in tough formations
Robust construction for impact and vibration resistance
Compatible with HDD guidance and locating systems
Supports stable steering and controlled drilling
HDD pilot drilling for utility crossings
Mixed ground and abrasive conditions
Projects requiring stable directional control
Share drill rod connection, sonde requirements, and ground conditions.
Style | Hammer Outside Diameter | Piston Weight | Bend Size | Pilot Hole size |
4.5" ROCK BUSTER with API NC 31 Connections | 101.6mm/4" | 7.7KG | 1.5* | 4.5" |
5.5" ROCK BUSTER with API NC 31 Connections | 110mm/4.33" | 15KG | 1.5* | 5.5" |
6.25" ROCK BUSTER with API NC 31 Connections | 125mm/4.5" | 20KG | 1.5* | 6.25" |
Thread can be customized.
| Colour | Mid-Grey |
| Size | 400ml |
| Brand | Fosroc |
| MPN | FEX9540 |



Load MoreJonathom Doe
July 31, 2022Delivered ye sportsmen zealously arranging frankness estimable as. Nay any article enabled musical shyness yet sixteen.
Jonathom Doe
July 31, 2022Delivered ye sportsmen zealously arranging frankness estimable as. Nay any article enabled musical shyness yet sixteen.
Jonathom Doe
July 31, 2022Delivered ye sportsmen zealously arranging frankness estimable as. Nay any article enabled musical shyness yet sixteen.