The Bosch 2608587568 Self Cut Flat Drill Bit is a high-performance drill bit designed for fast and accurate drilling in various materials. Its innovative self-feeding threaded tip reduces the effort required while ensuring precise hole dimensions. Ideal for softwood, hardwood, and plasterboard, this drill bit outperforms standard spade bits, delivering up to 5 times faster drilling. Features: Up to 5 times faster drilling than standard spade bits, Suitable for hardwood, softwood, and plasterboard, Self-feeding threaded tip for effortless and accurate drilling, Precision-ground tip and cutting edges for dimensional accuracy. Specifications: Bit Type: Flat, Length: 152mm, Shank Size: 1/4" (6.35mm) Hex, Head Size: 8mm, Material: High-speed steel.