Application Anchor Holes for Avalanche Fencing
Location Utah, Western USA
Hammer Numa Patriot 40
Bit Conventional DTH Bits
Hole Size 4½ inches (114 mm)
Depth or Length 35 feet (10.6 meters)
Formation Caliza
Rig Type Menzi Muck M545 with Wimmer AB2300 T20 Climb Rock Drill attachment

Description