5 Inches (127mm) YINJIAHONG professional diamond core drill bit.
Purpose: Designed for drilling holes in hard materials such as concrete, masonry, stone, and asphalt.
Diameter: The 102 indicates a diameter of 102mm.
Technology: Features diamond-impregnated segments for efficient cutting and durability, often used with water for cooling and lubrication during the drilling process.
Application: These tools are commonly used in construction and professional trade applications for creating precise, cylindrical holes.