General description This is a long series combination wood auger bit designed for deep boring. It can be used with hand or power drills at low speeds. Made from high-quality carbon steel, it features a pitched screw point for precise starting, a wide flat spiral for stability, straight tracking, and efficient waste removal. Suitable for drilling in timber, plywood, MDF, and blockwood. The bit can be resharpened with a hand file for extended use. Technical specifications Size: 22 mm diameter x 400 mm length Overall Length: 400 mm Material: High-quality carbon steel Compatibility and accessories Compatible with hand drills and power drills capable of low-speed operation Can be resharpened using a standard hand file Installation Insert the bit into the drill chuck, ensuring it is securely tightened Use at low speeds for optimal performance and safety Usage Suitable for drilling deep holes in wood and similar materials Start drilling with a slow, steady pressure Resharpen as needed to