As a result of my tests, I determined that these cobalt industrial drill bits are one of the best in the market. The precision design and long-lasting durability make them an excellent choice for anyone in the construction or manufacturing industry. They are particularly effective when used on metric suitable steels, successfully drilling holes without causing damage or breaking prematurely. My only minor concern was their slightly higher price point compared to other industrial drill bits. Overall, I highly recommend these cobalt industrial drill bits for anyone looking for top-quality cutting tools for their industrial and scientific needs.