1/2", Titanium, Jobber Length Drill Bit, Titanium Nitride Coating Extends The Life Of The Bit, Heavy Duty Web Design Provides Extreme Rigidity When Drilling In Metal Applications, Shorter Cutting Lips Reduce Torque When Drilling In High Tensile Strength Materials, 35 Degree Split Point Reduces Feed Pressure For Easier Penetration Without Work Hardening.