5.5mm Diameter Jobber Length Carbide Twist Drill, 118? Split Point, TiN Coated, 45mm Flute, 76mm OAL 45mm Flute Length,5.5mm Shank,76mm OAL GWS/Monster jobber length twist drills are made from C-2 Sub-Micron Grain Carbide With 10% Cobalt Content. 25? helix angle quickly evacuates chips and allows for increased feed rates. 118? split point for quick penetration without walking. The most versatile overall length lends this geometry to a multitude of uses. Optional AlTiN coating can increase feed rates by 40%. Made in the USA. GWS/Monster Tool Part #450-402165A