This industrial drill bit is a game-changer! Through trial and error, I found that this bit to be the best on the market. It is durable, efficient, and produces excellent results on any material. The cobalt-coated length allows for easy penetration through even the toughest materials .It's perfect for any industrial and scientific projects that require precision AND accuracy. While the price is not as cheap as some other options it's worth every penny for the high-quality results it produces. Overall, I highly recommend this product to anyone looking for a top-notch industrial drill bit..