The Bosch 19 Piece HSS Titanium Drill Bit Set provides a comprehensive range of high-speed steel drill bits for precision metalwork and general drilling tasks. Each bit features a high-grade titanium nitride (TiN) coating, delivering up to 40% faster drilling progress compared to uncoated HSS bits and up to six times longer service life when used with proper cooling. The set covers diameters from 1mm to 10mm in 0.5mm increments, giving tradespeople and contractors a complete spread for tackling a wide variety of metal drilling applications. The bits are compatible with all power tool brands, making this set a versatile addition to any tool kit. Stored in a compact, rugged cassette measuring 170 x 110 x 35mm, the bits are logically organised for quick identification and protected during transport and storage. Note that these bits are not suitable for use in aluminium, and the use of cutting coolant is recommended throughout to maintain performance and extend service life. Features and Benefits: • TiN coating delivers up to 40% faster drilling progress than uncoated HSS bits • Up to 6x longer service life when used with proper cooling • 19 bits in 0.5mm steps from 1–10mm for a complete diameter range • Excellent elasticity provides low risk of breakage during use • Compatible with all power tool brands • Rugged cassette keeps bits organised, protected, and easy to locate on site • Not suitable for use in aluminium – coolant recommended during use Specifications: Weight: 0.66kg Dimensions: 170 x 110 x 35mm Contents: 19 HSS-TiN metal drill bits, Ø 1 / 1.5 / 2 / 2.5 / 3 / 3.5 / 4 / 4.5 / 5 / 5.5 / 6 / 6.5 / 7 / 7.5 / 8 / 8.5 / 9 / 9.5 / 10mm