Ruko Twist drills DIN 338 type N nominal Ø 7.5 mm HSS profile ground TiN straight shank 5xD right

Ø 7.5 x 109 x 69 mm. High-performance spiral drill bit, suitable for all standard drilling tasks in commonly used materials. This powerful, ground spiral drill bit is made from high-performance high-speed steel. The fully ground spiral drill bit features increased concentricity. The TiN coating enhances the surface hardness to approximately 2,300 HV and the heat resistance up to 600 °C. It achieves long tool life at increased cutting values. Applications: for steel, alloyed and unalloyed cast steel (up to 1100 N/mm² strength), gray, tempered, ductile, and pressure cast iron, sintered iron, nickel silver, graphite, short-chipping aluminum alloys, brass, and bronze.