Construction Piling Tools Drilling Rigs Core Barrel For Hard Rock
Discover the Construction Piling Tools Drilling Rigs Core Barrel for Hard Rock, designed for efficient drilling in tough rock formations. This video showcases three types of core barrels: bullet teeth for rock/concrete, roller bits for strong rock (>100Mpa), and cross cutter for breaking rock cores. Ideal for dense sand, gravel, and medium-hard rocks.