Black oxide coated for greater wear resistance; split point drills on contact and prevents walking. Parabolic flute design improves chip ejection in metal and wood drilling applications. Helix is 31 degrees which minimizes the over aggressiveness of a true parabolic flute. 12-inch black oxide drill bits from DeWalt are ideal for drilling in hard to reach areas in materials such as non-ferrous metal wood and plastic. Because of the wide variety of applications covered 12-inch black oxide drill bits will be found in most residential and commercial tool boxes.
