- Specifications : Cutting edge diameter: 12-20mm; Shank diameter: 1/2"; Cutting edge length: 80mm (3.14"); Total length: 150mm (5.91"). - Durable Carbide Construction : These twist drill bits feature a carbide tip designed for efficient drilling into tough materials. They offer exceptional sharpness, longevity, and durability, making them a reliable choice for demanding jobs. - Reduced Shank Design : The reduced shank allows compatibility with a wider range of portable drill chucks. This design minimizes the need for adjustments when changing tools, enhancing efficiency on the job. - Optimal Cutting Performance : Equipped with milled U-grooves and deep spiral designs, these bits facilitate rapid material removal. The sharp, spiral cutting edges ensure clean and smooth results, reducing the time and effort needed for each project. - Corrosion Resistance : Built to withstand the rigors of use, these drill bits are not only durable but also resistant to corrosion, ensuring consistent performance over time. Applications : 1. Woodworking : Perfect for drilling clean holes in various types of wood, making them essential for furniture assembly or cabinetry. 2. Metal Fabrication : Ideal for drilling into stainless steel or other hard metals, these bits can handle heavy-duty industrial tasks. 3. Construction : Suitable for various construction materials, including concrete and masonry, providing versatility for building and repair projects.