Industrial and Scientific workers, look no further than these cobalt drill bits for your cutting needs! My analysis of this product showed that they are extremely durable and perfect for heavy-duty use. The bits cut through steel and hardened stainless with ease, making them a great asset for any job. The only downside is that they may be a bit pricey for some budgets, but the quality is worth the investment. Overall, highly recommended for those seeking top-quality industrial drill bits.