
72mm Socket Core Drill Bits Set with Micro Percussion. Laser Welded Technology: Advanced laser welding ensures high welding strength and stable drilling performance. Dry Drilling Capability: Designed for drilling concrete, reinforced concrete, and masonry without water. Turbo Segment Design: Special turbo segments provide excellent sharpness for fast drilling speeds. SGS Certified Quality: Product meets international safety and quality standards with SGS certification. Wide Diameter Range: Available in common sizes ranging from 68mm to 82mm for various socket needs. Clean Hole Performance: Produces clean, circular holes ideal for electrical sockets in masonry. Customizable Segments: We accept customized lengths and segments for wet core drill applications. OEM and Logo Customization: Support for custom logo, barcode, sticker, and packaging design options.