
405mm Rock Diamond Drilling Equipment with Gear Speed (SCY-4050C). High Precision Drilling: Delivers accurate size and smooth wall of hole for RC, brick, stone, and rock. Velocity Adjustable: Features adjustable speed with no-load speed of 280/550r/min for various materials. Dust-Free Operation: Works without dust, ensuring a clean working environment during drilling. Wide Application Range: Suitable for construction, quality-checking, airfield runways, tunnels, and bridges. OEM/ODM Service: Supports full customization, minor customization, and flexible customization options. CE RoHS Certified: Product meets CE and RoHS standards for safety and environmental compliance. Heavy Duty Performance: Capable of drilling accurately and deeply on hard materials with high efficiency. Manufacturer Direct: Direct from factory with 20 R&D engineers and 23 years of export experience.