This industrial drilling bit exceeds expectations. My analysis of this product showed that it is made of high-quality materials that make it highly durable and effective .The cobalt spiral design allows for smooth penetration, and the bit is designed to minimize chipping and breaking. It performs well on a variety of surfaces including tough metals and dense wood. The only downside is that it can be a bit pricier than other options, but the superior quality is worth the investment. Overall, a top-notch choice for any industrial and scientific needs..