Graduate from routine DIY projects with these powerful drill bits that cut, carve, and shape various materials, including masonry and steel rebar.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you plan on drilling into brick, concrete, or stone, you’re going to need to use a masonry drill bit.

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 ...

A drill bit is what actually cuts into the rock when drilling an oil or gas well. Located at the tip of the drillstring, below the drill collar and the drill pipe, the drill bit is a rotating ...

Howard Hughes Sr. revolutionized the drill bit more than 100 years ago to accelerate the oil boom that made Houston and Texas the nation's energy capital. Today, his legacy company is aiming to make ...

ATLANTA, May 6, 2025 /PRNewswire/ -- Diablo Tools ("Diablo"), which offers a solution-oriented range of best-in-the-world and best-for-our-world products for the professional user, unlocks new levels ...