Hole saw drill bit kit for concrete, tungsten steel and alloy, efficient multifunctional wall cutting drill

Features: 1. Robust Tungsten Steel Construction: Our wall hole saw drill bit is made from excellent tungsten steel and alloy, ensuring superior durability and strength. The robust welded joints and smooth internal and external seams provide a stable tool. 2. Enhanced Cutting Efficiency: With 3 flutes and sharp teeth, our wall hole saw drill bit kit ensures fast and efficient drilling. The innovative design incorporates internal and external grooves that effectively channel debris outwards. 3. Advanced Design Features: The 105mm (4 1/8-inch) core drill bit is equipped with a 200mm shank and includes a 110mm center pilot drill. This configuration ensures precise positioning and stability throughout the drilling process. 4. Versatile Application: This tile hole saw kit is designed for a wide range of applications, making it easy to drill through walls, stone, and brick. Whether you're installing air conditioners, kitchen exhaust hoods, or creating openings for plumbing pipes, this tool is an efficient solution. 5. User-friendly and efficient: Designed for both professional and DIY use, the concrete wall hole opener simplifies the drilling process. Its compatibility with standard power tools allows for easy installation and use. Specifications: Item Type: Concrete Hole Saw Bit Kit Material: Tungsten steel, alloy Use: Drilling walls, stone, brick, or installing air conditioners, exhaust hoods, sewer pipes, etc. Hole saw diameter: Approx. 105 mm / 4 1/8 in Connection tile: Approx. 200 mm / 7.87 in Center positioning bit: Approx. 110 mm / 4.33 inches Package list: 1 x 200 mm connecting rod 1 x 110 mm centering drill bit 1 x hole opener 1 x centering drill screw