Cutting threads is a necessary task in the home shop. Fortunately, most of the time, your thread taps and tap wrench cut threads into your workpiece without a hitch, but occasionally, you'll hear a ...

Grooving or recessing operations, sometimes also called necking operations, are often done on workpiece shoulders to ensure the correct fit for mating parts. When a thread is required to run the full ...

The diameter of a thread milling cutter is smaller than the drilled hole, and the cutter turns in an elliptical orbit to reduce cutting torque when compared with machine tapping. One of the most ...

Last year, we saw [How To Make Everything’s] take on [DaVinci’s] machine for cutting threads. However, they stopped short of the goal, which was making accurate metal screw threads. After much ...

The strength of some internal threads is more sensitive to tap diameter than previously thought. • Cold-formed threads are no stronger than cut threads when holes are correctly sized. • Cut threads ...

We have lines from old gas light fixtures poking through a tin ceiling in our parlor floor, and I was hoping to cut them down, thread the ends, and use a bolt to secure the base of a new light fixture ...