29/10/2026
Not all drill bits are coated the same. 👀
Black oxide, TiN, TiCN, and TiAlN each offer different benefits when it comes to heat, friction, wear, and tool life.
And one common mix-up: cobalt isn’t just a coating — it’s typically part of the steel alloy itself.
Choosing the right bit starts with knowing what you’re drilling and what kind of performance you need. 🛠️
Save this guide for the next time you’re picking out drill bits.