Drills bits with EXTRA bite. Viper Plus is an industrial quality drill bit designed for machine and hand held drilling in stainless steel, steel, aluminium, cast iron, brass, wood and plastic. Featuring a Futura Nano PVD coated tip – the latest generation coating for ultimate wear resistance and increased productivity. This drill bit has been independently tested to exceed 2X tool life compared to standard Viper drill bits. - Independently tested to exceed 2X greater tool life - Futura Nano PVD coated tip for ultimate wear resistance - Specialised coating allows higher cutting speeds and greater productivity - Made from M2 High Speed Steel (HSS) offering the best combination of strength, heat & wear resistance118° split point tip minimises wandering when starting