Professional-Grade BJ-355E Concrete Core Drilling Machine for Heavy-Duty Applications

High-Precision Diamond Core Drilling
Equipped with industrial-grade diamond core bits for ultra-smooth, burr-free cuts in reinforced concrete, masonry, and stone. Ideal for plumbing, electrical installations, and HVAC system setups.
Robust 350mm Vertical Design
Heavy-duty steel construction with reinforced gearbox ensures stability and longevity. Perfect for large-scale construction, roadwork, and demolition projects requiring deep, straight boreholes.
Step-less Speed Control
Adjustable RPM (0-1100) for optimal performance across varying material densities. Reduces bit wear and enhances drilling efficiency in both wet and dry conditions.
Ergonomic & Safety Optimized
Anti-vibration handles and thermal overload protection minimize operator fatigue. Certified for commercial use in workshops, job sites, and industrial maintenance.
Global Wholesale Advantage
Direct factory pricing with bulk-order discounts. Ships worldwide with OEM-standard spare parts support. Trusted by contractors and wholesalers for unmatched cost-performance ratio.