Up to 3x faster than bosch 2609255269 spade bit spade bits are a great accessory for electricians and other installation and building workers. What if they could be even faster and more efficient? With bosch tip technology, they can. The expert self cut speed features the most advanced designs for spade bits, making it easy to use and highly practical for heavy professional users. Its threaded tip draws the spade bit into wood with only the lightest pressure from the user, which is especially helpful when drilling upside down or in tight niches. Its advanced paddle design ensures extra speed. Equally at home in all types of softwood, the bosch expert self cut speed spade bit offers efficiency and convenience to professionals who need to drill through holes for cables, pipes, and other hardware installations. 1 4 impact rated hex shank for use in impact driver and drill driver tested in bosch labs according to bosch standard procedures. Features and benefits bull up to 3x faster than bosch 2609255269 spade bitbull fast drilling is easier with bosch tip technology bull 1 4 impact rated hex shank for use in impact driver and drill driver bull ideal for fast and rough drilling in all types of softwood, such as drilling through holes for cables, pipes, and other hardware installations. Easy to use in tight niches. Not suitable for hardwood bull best for electricians and other installation workers high speed and efficiency specifications diameter d mm 17.00 working length mm 350 total length mm 406 shank diameter d mm 6.35 shank diameter d inch 1 4