Get the lowdown on drill bits so you’ll know which ones to buy and rely on for all kinds of drilling tasks and DIY projects. I recently tested eight offerings from leading tool manufacturers in ...

Our Best Overall pick, the Dremel 4300-5/40 ... embedded cutting wheels and diamond burr bits specifically for rotary tools. Q. Do I need a powerful rotary tool to drill holes?

If your drill bits aren't working as well as they used to, they probably need to be sharpened. Here's how to do sharpen them ...

Common materials of construction include high-speed steel, cobalt, carbide, and diamond PCD. Drill bits may be coated to assist in cutting lubricity and/or add abrasion resistance for longer tool life ...

Hilti North America's semi-autonomous core drilling solution, the DD 250-CA diamond core drill, paired with the ... Director of Electric Tools & Accessories at Hilti. “Utilizing a connected ...

Shop today's best Amazon power tool deals to help you save up to 59% on DeWalt, Dremel, Milwaukee, Ryobi, Skil and more ...

The Sergio carbonado was broken up into small pieces to be used as industrial diamond drill bits, according to a paper from the University of New Hampshire. Carbonado is a high-density form of ...

The diamond was unearthed using new technology, and miners hope it will bring back luster to a struggling industry. By Lynsey Chutel Reporting from London The diamond was so large that it obscured ...

GABORONE, Aug 22 (Reuters) - Canada's Lucara Diamond Corp (LUC.TO), opens new tab, has discovered a 2,492 carat diamond at its Karowe mine in Botswana, the company said late Wednesday, one of the ...

GABORONE, Botswana (AP) — The largest diamond found in more than a century has been unearthed at a mine in Botswana, and the country’s president showed off the fist-sized stone to the world at ...

When it comes to choosing a top-tier, high-quality rotary tool, the Dremel ... wheels and diamond burr bits specifically for rotary tools. Q. Do I need a powerful rotary tool to drill holes?

Shop today's best Amazon power tool deals to help you save up to 59% on DeWalt, Dremel, Milwaukee, Ryobi, Skil and more ...