Drill Bits

“A drill bit is a tool used to cut or crush rock. With rotary drilling, a hole is drilled by the continuous turning of a drill bit. The drill bit is the mechanism that cuts into the ground layers to reach the gas deposit or to cut a core sample. A drill bit is a tool used to cut or crush rock.

High-speed steel (HSS) drill bits can drill wood, fiberglass, polyvinyl chloride (PVC) and soft metals such as aluminum. Cobalt drill bits are extremely hard and dissipate heat quickly. … Carbide-tipped drill bits stay sharp much longer than steel, HSS or titanium bits. They’re effective for drilling tile and masonry.”