Taps and dies are great for cutting new threads or repairing old threads on metals, plastics and other hard materials. Taps cut threads on the inside of holes and dies cut threads on the outside of ...

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 ...

While a handyman can buy nuts and bolts of virtually any size almost anywhere at little cost, there are times when he or she must renew stripped threads, cut threads to fit existing nuts, bolts or ...

Advanced machine tool and cutting tool technologies reduce the cost and boost the quality of producing internal threads in aerospace materials. The diameter of a thread milling cutter is smaller than ...

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 ...

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 ...