There's nothing worse for a DIYer than throwing away a perfectly good piece of wood because you made a drilling mistake. Pilot holes help prevent that. Pilot holes are drilled into a piece of ...

Hammer drills tend to get criticized for their beefy size and weight, which is another reason this model stands out among the ...

With the fate of repetitive motion injury looming due to the need to drill 1,200 holes, [bitluni] took matters ... The tool is quite complex, with a spring-loaded pilot to help guide the punching ...

“Their design also uses the pilot pin to help eject the slug after the hole is finished.” A magnetic drill is essentially a portable 120-volt drill press with a powerful electro-magnetic bas ...

The historic O’Brien mine produced over half a million ounces of gold at an average grade exceeding 15 g/t from similar veins over a vertical extent of at least 1,000 metres.