Precision Twist QC91P High Speed Steel Long Length Drill Bit, Uncoated (Bright) Finish, Round Shank, Parabolic Flute, 135 Degree Point Angle, 3/16\ (Pack of 12)
- Parabolic flute design offers enhanced chip removal, coolant flow to the drill point, and heat dissipation.
- Long-length (also called taper length) drill bits have longer flutes and overall lengths than jobber drill bits, for deeper holes.
- 135-degree radius split-point is self-centering, reduces walking, good for hard material, and reduces pressure on cutting edges.
- Uncoated (bright) finish, economical and useful with a wide range of drilling materials.
- High-speed steel (HSS), for use on a wide variety of materials.