
500m Fully Hydraulic Crawler-Mounted Used DTH Drilling Rig. High-Efficiency Drilling: Achieves 10-35 meters per hour penetration in hard rock with stepless speed adjustment. Stable Hydraulic System: Uses hydraulic cylinder and leaf chain feed mechanism for superior stability and long service life. Ease of Operation: Equipped with hydraulic wrench and rod handler to reduce labor intensity during rod connection. Versatile Applications: Suitable for water wells, heat pump systems, geological exploration, and mine blasting. 100% Pre-Delivery Testing: All machines undergo 100% inspection with attached reports, photos, and videos before shipping. Flexible Customization: Offers full, minor, and sample-based customization options for specific design needs. Comprehensive Spare Parts: Maintains customer records and provides dedicated supply of wear parts and accessories. CE Certified Quality: Product meets CE certification standards for safety and quality assurance.