The bosch 40 piece drill and screwdriver bit set is a comprehensive drill bit set covering wood, masonry, and metal applications making it an ideal everyday solution for tradespeople and capable diyers alike. At the heart of the set are 11 hss-tin metal drill bits with titanium nitride coating, delivering extended service life and high strength for fast, clean drilling through metal, plexiglass, and hard plastics. Alongside these, 4 carbide-tipped masonry drill bits handle hammer drilling duties, while 4 standard wood drill bits and 3 titanium-nitride-coated spade bits cater for a full range of timber work. The 16 screwdriver bits cover five common screw types phillips, pozidriv, slotted, hex, and torx in the most frequently used sizes, supported by a magnetic universal holder for quick changes and secure screw retention. A countersink is also included, rounding out a genuinely versatile kit. Everything is housed in a robust, compact case measuring 172 x 172 x 44 mm, with a clearly organised layout that keeps every component accessible on site. Compatible with all power tool brands, this set suits general building work, joinery, and maintenance tasks. Features and benefits: 11 hss-tin metal drill bits with titanium nitride coating for long life and high strength 4 carbide-tipped masonry drill bits suitable for hammer drilling 4 wood drill bits and 3 titanium-nitride-coated spade bits for clean, precise holes 16 screwdriver bits covering phillips, pozidriv, slotted, hex, a...