Black Friday Drill Bit Set Deals & Coupons 2023

You should always look for a label namely high-speed steel (HSS) whenever you buy new metal drill bits. These drill bits are very versatile. When it comes to expensive metal bits, they might have Cobalt or Titanium coating. You can drill steel bits through soft aluminum whereas high-speed steel bits can only be drilled on metal types.

Cobalt (HSCO)  is upgraded from HSS as it contains 5 to 8% Cobalt mixed into the base material.  These drill bits can be drilled into stainless steel grades and harder Steel. Among all, carbide (carb) is the hardest one.

Actually, it depends on the situation. Extensive drill bits will offer better results but the question is whether you want them or not. For drilling her stuff, it is better to spend more money on expensive drill bits.

You can use Titanium drill bits for drilling soft materials such as plastic, soft metals, and wood. On the other hand, the Cobalt drill bits work better with harder materials such as cast iron or other metals.