With the Phantom 11.450 hss twist drill bit, you drill precise 9.25 mm holes in unalloyed and alloyed steel, cast iron, and non-ferrous metals. Manufactured to din 338 standards, this metal drill bit features an 81 mm flute length and an overall length of 125 mm. Its steam-tempered surface treatment ensures optimal coolant adhesion, significantly reducing friction and wear under heavy loads to extend cutting life. The 9.25 mm cylindrical shank provides secure, slip-free clamping in any standard drill chuck on drill presses, lathes, and handheld drills. It gives you dependable accuracy and control for demanding maintenance and fabrication jobs.