Holsu Core 152×460 mm It is a professional, specialized tool featuring a diamond-coated cutting edge, specially designed for drilling precise, clean, circular holes in very hard materials such as natural stone, concrete, and ceramic.

This tool extracts a complete “core” from the material by removing a complete circle, making it ideal for professional construction and finishing work.

To ensure optimal performance and long service life, this type of drill bit requires the use of water or air for cooling and lubrication, which helps prevent overheating during operation and ensures consistent performance and quality results.