Working with hard metals requires the best cobalt drill bits. We tested top picks to see which bits could bore through the toughest metals. Check out our reviews and discover which one came out on top ...

For drilling into metals such as stainless steel, your best bet is a HSS twist ... holes of one inch or more in metal surfaces, consider a hole saw. Masonry drill bits are good for surfaces ...

clamp on some Vise-Grips and hope for the best. But when a drill bit breaks off flush in a hole, there aren’t a lot of options, especially for a small bit. If the stars align, though ...