Have this DeWalt Black and Gold Drill Bit Set – (21-Piece) delivered to your job site. 21-piece set. 135-degree split point drills on contact and prevents walking. Parabolic flute design improves chip ejection in metal and wood drilling applications. Black-oxide coated for greater wear resistance. Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute.

Have this DeWalt Black and Gold Drill Bit Set - (21-Piece) delivered to your job site. 21-piece set. 135-degree split point drills on contact and prevents walking. Parabolic flute design improves chip ejection in metal and wood drilling applications. Black-oxide coated for greater wear resistance. Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute.