Guhring Series 9651 HSS TiN Tip Drills general purpose drills offer a longer tool life thanks to the TiN coted tip. Especially suitable for the machining of steel and cast steel (alloyed and unalloyed), grey cast iron, malleable cast iron, spheroidal graphite iron, sintered iron and graphite with high concentricity characteristics. Features and Benefits High speed steel construction for durability TiN coated tip for increased tool life and performance Ideal for drilling a range of materials including cast steel and iron Standards Manufactured to BS 328/DIN 338RN Typical Applications Steel Steel alloys Cast iron Spheroidal graphite iron Sintered iron Graphite Notes Available in metric sizes 1.0mm - 16.0mm