General description The Wall Hole Saw Drill with Center Drill is a high-quality tool designed for efficient drilling in various materials. Made from durable cemented carbide, it ensures stability and longevity while providing fast and effective performance. Technical specifications Diameter: 65mm Material: Cemented carbide Usage Ideal for opening red brick walls, rammed earth walls, cement walls, foam bricks, and masonry walls. Commonly used for air conditioning installation, oil smoke vents, and sewer pipe holes. Other information Features two large chip openings for smoother chip removal and enhanced drilling efficiency. Utilizes high-frequency welding technology for sturdy and precise construction.