The Bosch HSS Twist PointTeQ Drill Bit 18 Piece ToughBox Set.HSS Twist PointTeQ Drill Bits enable fast drilling in metal due to PointTeQ tip design. This self-centering tip prevents wandering, making quick and easy drilling starts possible. Whilst the increased drilling rate generates less heat and wear.There is a low risk of breakage, especially for drill bits below 6mm in diameter as the bit is manufactured to have a highly elastic body. Its black-oxide coated flute provides fast chip removal. Manufactured to DIN 338. The drill bit is Type N (flute angle) with a tip of 135 degrees.It has a cylindrical shank system and is intended for use in drill stands and drill drivers.Contains the following sizes:1.0, 1.5, 2.0 (x2) , 2.5, 3.0 (x2) , 3.5, 4.0 (x2) , 4.5, 5.0, 5.5, 6.0, 7.0, 8.0, 9.0, 10.0mm.