
Mini Crawler Hydraulic Rotary Drill for Construction of Bridges and Water Conservancy Projects. Pressurized Drilling Mode: Enables efficient rotary drilling up to 15m depth with high-quality hole formation. Wide Drilling Range: Handles pile diameters from 500mm to 1000mm with auger and bucket bits. High Drilling Efficiency: Quickly drills deep holes accurately, suitable for high-speed rail and bridge projects. Flexible Crawler Chassis: Small tonnage, fast moving, and convenient transition between worksites. Versatile Application: Suitable for soil, clay, silt, and strata with pebbles in various construction projects. Patented Technology: Unique design achieves small torque but big power for drilling large holes with small machines. Comprehensive Certifications: Meets CE, RoHS, ISO 9001:2000, ISO 9001:2008, and SGS standards.