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 ...

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 ...

It’s easy to cut bolts and small machine screws to length. On the other hand, there isn’t any job so small or simple that it can’t be done wrong, and this is a classic example. Get it right, and you ...

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 ...

Threading inserts are replaceable cutting inserts that are used to create internal or external threads. They are used typically with a tool holder on a lathe or turning center. Threading inserts ...

Regardless of any active cutting motion, there is always a feedrate involved - this feedrate controls how effectively the tool removes material in various operations - drilling, contouring, facing, ...

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 ...