Tool targeted at auto industry puts threads in aluminum and other soft metals. A few years ago, engineers and management at Emuge Corp., a leading maker of taps, drills, and other rotary tools, ...

Tapping screws form mating threads in materials they are driven into. There are two basic types: thread forming and thread cutting. The thread-forming screw displaced material around the pilot hole so ...

In response to strong demand for reliable machining solutions in the aerospace industry, cutting tool and tooling system specialist Sandvik Coromant has launched new tapping and thread milling tools ...

Twist drills do not make accurately sized or good finish holes; a reamer of some type is often used to cut the final size and finish. A reamer will not make the original hole; it will only enlarge a ...

I quickly calculate proper tap-drill diameters using this simple formula. Tap-drill diameter equals nominal diameter minus thread pitch. I quickly calculate proper tap-drill diameters using this ...