As an industrial and scientific professional, I was looking for a reliable drill bit for heavy-duty projects .As a result of my tests I determined that these cobalt drill bits are a fantastic choice. The bits are sharp and ready to use. They cut through metal like butter, and they are tough enough to drill through hardened materials. Even with frequent use, they maintained their sharpness and precision. The only downside is that they tend to be a bit pricier than standard drill bits. Overall, I
Pros
Durable and long-lasting cobalt material for efficient drilling
Have looked at many local tool stores and online for a 19/64 inch cobalt steel drill bit to replace the one I broke but could only find sets of five or find more. I was pleasantly surprised to be able to purchase a quality chisel when I would have bought two.