- Built with a heavy duty spiral flute design for faster chip ejection
- Constructed of M-42 8 percent Cobalt Alloy Steel high speed steel for great abrasive resistance with tough metals
- Shorter cutting lips reduce torque required for drilling in high tensile strength materials
- Designed with 135 degree split point that reduces feed pressure
![Irwin® HSS Jobber Length Drill Bits, 1/4" X 4", Cobalt, #IR-3016016 (3/Pkg) Irwin® HSS Jobber Length Drill Bits, 1/4" X 4", Cobalt, #IR-3016016 (3/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/260442/446651/3016014__23907.1668117710.jpg?c=2)