Carbide Drill Bits: Everything You Need To Know
2020-9-16 · How do you know if you should use a carbide or cobalt drill bit? Although both types of drill bits have their uses, they can’t be used interchangeably, so it’s important to use the right one for the task at hand. Let’s take a look at the pros and cons of each: Cobalt drill bits are ideal for when you need to drill through hard metals. They come in two grades: M35, which is made of 5% cobalt, and M42, which is …
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