29PC Cobalt Drill Bit Set

New England Twist #179 29pc Cobalt Drill Bit Set. This high speed steel 135 degree split point is self centering and reduces thrust. Unique flute form enhances chip ejection, reduces drill retraction and improves coolant flow to the point. Heavy web construction results in greater strength and rigidity, which improves hole tolerances, and permits higher feed rates. These high speed bits are made with a combination of black and bronze color oxide surface treatments, premium m-7 industrial grade cobalt steel, and 135 degrees no-walk self centering split point. Comes in an metal index tray.