Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Creating a hole in a piece of glass might seem difficult, but with a power drill and ...

We used the DeWalt bits to drill through travertine, slate, marble, ceramic, and glass tiles. The bits have carbide spiral ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? To make a hole in masonry and rock, you need a masonry bit—and to know how to use it ...

The temperatures and pressures involved in super-deep drilling tend to destroy even the highest-quality drill bits in short order. Changing a bit out means you have to haul the drill head back up from ...

Menomonee Falls, Wis.-based Unisig manufactures deep-hole drilling systems and precision metal-cutting systems, for complex structures required in aerospace, automotive, energy, and medical part ...