- Constructed of M-42 8% cobalt high speed steel for super abrasive resistance in tough metals
- Heavy-duty spiral flute design produces faster chip ejection
- Shorter cutting tips reduce torque for drilling in high tensile strength materials
- 135-degree split point reduces feed pressure for easier penetration without work hardening
- Ideal for use with screw extractors
![Irwin® Left-Hand Mechanics Length Cobalt High Speed Steel Drill Bits, 1/4", Split Point, #IR*30516 (6/Pkg) Irwin® Left-Hand Mechanics Length Cobalt High Speed Steel Drill Bits, 1/4", Split Point, #IR*30516 (6/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/258661/459500/Untitled_design_-_2023-03-01T133352.065__68477.1677699241.jpg?c=2)