These powerful drill bits for cast iron, aluminum, and even stainless steel are made of a steel alloy of 5 percent to 8 percent cobalt. We researched dozens of cobalt drill bits and tested eight ...

The DeWalt 14-Piece Cobalt Alloy Steel Drill Bit Set is on sale for just $29 on Amazon, a 43% discount on its full price of $51. This professional-quality drill bit set is an affordable investment ...

The DeWalt 14-Piece Cobalt Alloy Steel Drill Bit Set is just $29 on Amazon. Shoppers appreciate that they’re durable and precision-engineered.

I'm trying to figure out which type of bit is best for drilling thru about 1/4" of galvanized steel. I recently used a standard carbon-steel bit to drill thru the steel. While the bit was able to ...

Identification of awaruite, a naturally occurring nickel alloy with high nickel content (up to 75%) in previously released discovery hole MTU-22-14, which returned 0.25% Nickel and 100 ppm Cobalt ...