Tork Craft Is A Favourite Brand Known Throughout Southern Africa. Complimenting The Whole Tool Industry With An Extensive Range Of Accessories To Simply Make Your Work Easier And Make The World Go Round 8.5mm HSS turbo point drill bit Application: The turbo point drill is designed for professional individuals who desire an aggressive cut in metals. The drill is designed with a standard 118deg; point, but shaped with a self-centering turbo point for cleaner entry and fast starts. The drill bit is manufactured from HSS (hi-speed steel) and can be used to drill materials such as iron, steel, non-ferrous metals and plastics. The Shank: is designed to have three flattened sides to ensure better grip in a 3 jaw chuck. TIP: When drilling hard metals, always use a coolant/lubricant. We recommend using CT-90. APPOXIMATE DRILLING SPEEDS IN METAL: DIAMETER RPM 1.0 -2.0mm 3500 2.5 - 3.5mm 2500 - 2000 4.0 - 5.0mm 1700 - 1400 5.5 - 6.0mm 1400 - 1100 6.5 - 8.0mm 1000 - 850 8.5 - 13.0mm 800 - 500 What's in the box 1 X DRILL BIT HSS TURBO POINT 8.5MM 1/CARD