Europe Market Laser Welded Diamond Core Drill Bit for Hard Reinforced Concrete. Fast Drilling Performance: Consistently very fast cutting with smooth running behavior for reinforced concrete. Laser Welded Segments: Premium quality laser welded diamond segments ensure maximum performance and durability. Wide Diameter Range: Available in diameters from 12mm to 600mm to suit various drilling needs. Long Service Life: Developed for long life with fast starting cut capability for exposed aggregate. Versatile Application: Ideal for both light and heavy duty drilling on reinforced concrete and abrasive materials. Customization Available: Customization options available based on customer samples. High Quality Inspection: 100% visual inspection of finished products by packing staff before shipment. Fast Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons.