Diamond core drills are primarily rented by mechanical and utility contractors, plumbers and stone masons for drilling holes in walls, ceilings, floors and roads. They can be a small but important ...

Drillbit manufacturers are adding multidimensional cutter technologies and small moving parts to fixed diamond-cutter bits to create what they call smarter, stronger bits that recognize different rock ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Doug Mahoney Doug Mahoney is a writer covering home-improvement topics. He ...

A power drill could be called one of the patron tools of the hardware pantheon. With a simple spinning motor, a power drill can handle all kinds of different jobs, boring holes into different ...

Drill bit manufacturers have substantially improved polycrystalline diamond (PCD) cutters and drag bit designs since their introduction in 1972. PCD drill bits are now approaching the rolling cone ...