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 ...

Durable drill bits can maintain the sharpness and cutting abilities over a long period. This is smooth and accurate to handle hardened steel since it can result in consistent and efficient performance ...

It turns out that a hot solution of alum (ammonium aluminum sulfate), which is available in the spice rack of your local supermarket, will dissolve the steel drill bit without reacting with the brass.

Filmed on high speed cinema camera, 1000 fps. Close up of Drill bit Drilling into metal Pipe. Drilling a hole in the square steel pipe Close up of Drill bit Drilling into metal Pipe. Drilling a hole ...

Icon for bits, drill, device, equipment, hardware, construction, tool, maintenance Drill bits set of steel or metal with different twist shapes. Collection of professional nozzles Drill bits set of ...

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Our experts tested cordless drills from Makita, Ryobi, Bosch and more to find the best battery-powered drills for home use ...

If you want some titanium drill bits, the Warrior Titanium Bit Set goes for only $20. These bits have high-speed steel bodies with a titanium coating. The steel core ensures they can spin at ...

So it’s always a joy to pick up a new trick, especially one as simple as putting a hardened edge on mild steel using a drill bit as a filler rod. This tip comes to us by way of [Jody], aka ...

This is a pro-grade drill with impressive stats when it comes to drilling capacities in things like masonry and steel. The all-metal keyless chuck and general robust build quality mean it can ...