- Aircraft extension drill bits are designed for drilling deep holes and accessing hard-to-reach areas. Available in 6-inch and 12-inch lengths, these bits are ideal for various applications. - Made from high-quality high-speed steel, these drill bits are exceptionally durable and sharp, ensuring effective cutting performance across materials such as metal, plastic, and wood. They offer a long tool life, making them a reliable choice for your projects. - All dimensions and tolerances comply with ASME/ANSI B94.11M standards and the United States Cutting Tool Institute (formerly MCTI), ensuring precision and reliability. Fractional sizes range from 1/16" to 1/2" diameter, providing options for diverse drilling needs. - The fully ground process and precision surface finish facilitate excellent chip removal. The 135-degree chisel point with a split point design ensures accurate starting, enabling quick penetration without walking or binding. Use Cases: 1. Ideal for electrical work, allowing electricians to drill deep holes for wiring in tight spaces. 2. Perfect for woodworking projects where precise drilling in hard-to-reach areas is essential. 3. Suitable for metal fabrication, providing the necessary reach and precision for intricate designs. Choose aircraft extension drill bits for reliable performance and versatility in your drilling tasks.