- Titanium nitride coating extends the life of the bit
- Last up to six times longer than standard high speed steel drill bits
- Heavy-duty web design provides extreme rigidity when drilling in metal applications
- Shorter cutting lips reduce torque when drilling in high tensile strength materials
- 135-degree split point reduces feed pressure for easier penetration without work hardening
![Irwin® Titanium Nitride Steel Fractional Straight Shank Jobber Length Drill Bit, 7/16", card, #IR-63928 (3/Pkg) Irwin® Titanium Nitride Steel Fractional Straight Shank Jobber Length Drill Bit, 7/16", card, #IR-63928 (3/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/257657/362563/585-63713__15873.1595463259.jpg?c=2)