General description The GRAFF 72mm hole saw is designed for drilling blind and through holes in concrete, masonry, and silicate brick. It is ideal for creating openings for electrical outlets, rosette plates, and other mounting procedures. Technical specifications Diameter: 72 mm Center Drill Size: 72x110 mm SDS Plus Adapter: 110 mm (M22 thread) Material: Durable steel with tungsten carbide cutting segments Advantages Asymmetrical teeth for efficient cutting Ventilation holes for dust and chip removal Designed to prevent overheating during use Usage Compatible with hammer drills, rotary hammers, and drills for impact drilling