Enhance your drilling projects with this premium Hard Alloy Cutting Head set, designed for precision, durability, and versatility. Crafted from selected hard alloy material and steel heat-treated for enhanced hardness and toughness, these cutting heads deliver sharp, wear-resistant edges that ensure fast and efficient drilling. Ideal for a variety of materials, this tool set is perfect for professionals and DIY enthusiasts seeking clean, accurate openings with minimal debris. Key Features: · Hard Alloy Cutting Head: Made from high-quality hard alloy and heat-treated steel, the cutting edges are sharp, wear-resistant, and provide fast drilling speeds with superior cutting strength and toughness. · Clear Scale Cutterhead: Features a stamped scale that is clear, accurate, and wear-resistant, allowing precise measurement and adjustment for optimal cutting results. · Adjustable Opening Size: Easily adjust the distance from the blade to the center by loosening the screw, offering convenient and flexible customization for different hole sizes. · 90° Vertical Blade Design: The blade head and center drill maintain a perfect perpendicular alignment to the disc, ensuring stable positioning, no deviation, and fast, accurate openings. · Clean and Fine Cutting: Efficiently collects most edge debris during ceiling hole drilling, enhancing safety and convenience while maintaining a neat work environment. · Wide Application Range: Suitable for cutting a variety of materials including wood, plastic, plywood, gypsum board, and aluminum plastic board. (Note: Not suitable for metal, slate, ceramic tiles, or glass.) Specifications: · Cutter Head Quantity: 3pcs or 6pcs (Optional) · Cutting Diameter: 45-130mm · Cutting Thickness: Up to 30mm · Material: ABS + Alloy · Item Size: 146 x 108 x 35 mm (5.75 x 4.25 x 1.38 inches) · Package Size: 25.5 x 18.5 x 4 cm (10.04 x 7.28 x 1.57 inches) · Package Weight: 3Pcs - 450g (15.87oz); 6Pcs - 465g (16.4oz) Package Includes: · 1 x Cutting Disc · 1 x Adjustment Dial · 1 x L-Type Small Wrench · 1 x Nut · 1 x Bit · 3 or 6 x Cutter Heads (Optional) This Hard Alloy Cutting Head set combines durability, precision, and user-friendly adjustability to provide clean, fine cuts across a wide range of non-metal materials. Its sturdy construction and clear scale markings make it an essential tool for accurate and efficient hole drilling in woodworking, plastic fabrication, and construction projects.