- Specifications : - Cutting edge diameter: 12-20mm - Shank diameter: 1/2" - Cutting edge length: 80mm (3.14") - Total length: 150mm (5.91") - Carbide Construction : - Equipped with a carbide tip, these twist drill bits are designed for efficient drilling into hard materials. They offer superior sharpness and enhanced durability for a longer service life compared to standard bits. - Reduced Shank Design : - The reduced shank allows compatibility with a wider range of portable drill chucks, minimizing adjustment time during tool changes. The sharp spiral cutting edges facilitate clean and precise drilling. - High-Performance Features : - Milled U-grooves with deep spiral cuts expedite material removal, making your drilling tasks quicker and easier. The bits are inherently durable and resistant to corrosion, ensuring reliable performance over time. The spiral groove design also helps in the effective removal of metal chips, further enhancing efficiency. - Practical Applications : - Ideal for professional contractors and DIY enthusiasts alike, these drill bits excel in metalworking, woodworking, and construction projects. Whether you are drilling into hardened steel or working with tough composite materials, these bits are up to the task. - Enhanced Versatility : - Suitable for various drilling operations, you can use them in applications that require precision and a clean finish, such as plumbing installations, mechanical repairs, or fabricating metal structures. Choose these carbide twist drill bits for dependable performance and remarkable ease of use in all your drilling needs.