High Frequency Welded Diamond Core Drill Bit Reinforced Concrete Wet Fast Speed

High Frequency Welded Diamond Core Drill Bit Reinforced Concrete Wet Fast Speed. Premium Wet Drilling Performance Designed for fast and stable drilling in concrete and reinforced concrete. High Quality Diamond Segments Easy-start diamond crown and turret designed segments provide smooth cutting performance. Wide Application Range Suitable for concrete, reinforced concrete, brick and hard natural stone drilling. Professional Connection Design Available with 1-1/4" UNC ,1/2''BSP,M22,M14,M16 thread for professional diamond drilling machines. OEM & Custom Service Available Different diameters and lengths can be customized according to customer requirements.