Strong, rigid overall length. Heavy duty 135ยง split point for self-centering and quick penetration. Heavy duty web geometry provides added rigidity. The three flatted shank design ensures positive grip in keyless drill chucks.Applications: Ideal for the aircraft industry. Used for the drilling of high tensile martensitic stainless steels, titanium alloys and hard steel.Diameter: 0.09375"Decimal Equivalent: 0.0938"Flute Length: 1.25"Overall Length: 2.25"