LONDON--(BUSINESS WIRE)--QUADSAW, the tool that drills perfect square and rectangular holes, has officially launched. Manufactured in the UK, QUADSAW is a seamless attachment to a power drill that ...

Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits labeled ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...