Rockwyrm Air Hammers
CONVERT YOUR DRILL TO A ROCK DRILL
Reliable strength for hard rock boring
Crafted in-house for horizontal boring in the toughest rock environments, the Rockwyrm air hammer system offers superior reliability and is supported by an unparalleled service guarantee.
- Over 90% built in-house
- Backed by Hardrock's superior service pledge
- Superior durability and reliability
- Compatible with all walk-over locating systems
- Stocked warehouse with nationwide shipping
- Dual steering points
- Spring-loaded dual sonde sleeve reduces impact
Pilot hole size (in) | 3.5 |
Mating threads | 2-3/8 API |
Length w/o bit (in) | 57.5 |
Piston weight (lb) | 7.2 |
Lubrication | ISO320, SAE 60 |
Recommended operating pressure (psi) | 325 |
Approximate operating air flow (cfm) | 600 |
Recommended lubrication flow rate (pint/hr) | 2 |
Recommended water flow rate (gal/min) | 1.5 |
Pilot hole size (in) | 4.25 |
Mating threads | 2-3/8 API |
Length w/o bit (in) | 69.5 |
Piston weight (lb) | 8.8 |
Lubrication | ISO320, SAE 60 |
Recommended operating pressure (psi) | 325 |
Approximate operating air flow (cfm) | 650 |
Recommended lubrication flow rate (pint/hr) | 2 |
Recommended water flow rate (gal/min) | 1.5 |
Pilot hole size (in) | 5.25 |
Mating threads | 2-3/8 API |
Length w/o bit (in) | 78.25 |
Piston weight (lb) | 13 |
Lubrication | ISO320, SAE 60 |
Recommended operating pressure (psi) | 350 |
Approximate operating air flow (cfm) | 700 |
Recommended lubrication flow rate (pint/hr) | 2 |
Recommended water flow rate (gal/min) | 2 |
Pilot hole size (in) | 6.25 |
Mating threads | 3-1/2 API |
Length w/o bit (in) | 81.00 |
Piston weight (lb) | 31.7 |
Lubrication | ISO320, SAE 60 |
Recommended operating pressure (psi) | 350 |
Approximate operating air flow (cfm) | 700 |
Recommended lubrication flow rate (pint/hr) | 2 |
Recommended water flow rate (gal/min) | 2.5 |
Pilot hole size (in) | 7.25 |
Mating threads | 3-1/2 API |
Length w/o bit (in) | 81.5 |
Piston weight (lb) | 44 |
Lubrication | ISO320, SAE 60 |
Recommended operating pressure (psi) | 350 |
Approximate operating air flow (cfm) | 750 |
Recommended lubrication flow rate (pint/hr) | 2 |
Recommended water flow rate (gal/min) | 2.5 |