
Cayken Powerful 255mm Diamond Core Drilling Machine for Concrete Walls (OB-255). High Precision Drilling: Delivers smooth hole walls and accurate sizes for concrete, brick, and stone. Dust-Free Operation: Works without dust, ensuring a cleaner and safer working environment. Wide Application Range: Suitable for construction, airports, tunnels, railways, and bridges. High Power Performance: 3900W input power with 0-700r/min no-load speed for efficient drilling. OEM/ODM Customization: Offers full customization, minor customization, and flexible options. Certified Quality: Products certified with CE and RoHS standards for safety and compliance. Professional Manufacturer: Established in 2003 with ISO9001, ISO14001, and ISO45001 certifications. 100% Quality Inspection: Every finished product undergoes visual and functional inspection.