Precision Twist QC0860P High Speed Steel Extra Long Length Drill Bit, Uncoated (Bright) Finish, Round Shank, Parabolic Flute, 135 Degree Point Angle, 5/16"
- Parabolic flute design offers enhanced chip removal, coolant flow to the drill point and heat dissipation
- Extra-length drill bits have longer flutes and overall lengths than Jobber drill bits, for deeper holes
- 135-degree radius spilt point, is self-centering, reduces walking, good for hard material and reduces pressure on cutting edges
- Uncoated (bright), economical and useful with a wide range of drilling materials
- High-speed steel (HSS), for use on a wide variety of materials