DEWALT DW1137 1/4-Inch Black Oxide Split Point Twist Drill Bit (4-Pack)
Black Oxide drill bits from DeWalt are ideal for general applications including drilling in non-ferrous metal, wood, and plastic.
They have a 135 degree split point for quick start and no walk applications.
The parabolic flute design improves chip ejection in metal and wood drilling applications.
Because of the wide variety of applications covered, black oxide drill bits are found in most residential and commercial tool boxes.
135 degree split point drills on contact and prevents from walking
Parabolic flute design improves chip ejection in metal and wood drilling applications
Black oxide coated for greater resistance to wear
Helix is 31 degrees which minimizes the over aggressiveness of a true parbolic flute