The center of the bit is a tapered screw thread.

The screw thread provides a fine adjustment over a short range.

The first standard was published in 1921 on metric screw threads.

This is a defining factor for the shape of a screw thread.

More screw threads are produced each year than any other machine element.

Sometimes screw threads exist on the outer and inner portion.

The lens mount was the same screw thread as the Pentax.

Instead of gear teeth, the context is screw threads.

In all of these applications, the screw thread has two main functions:

This distributes the force equally across the screw threads.

And, of course, they were screw threads, not quick-release couplings.

See the "History of standardization" section of the screw thread article.

Also, the screws thread into exposed metal balls on top of the pager.

Threading is the process of creating a screw thread.

Acme screw threads are now extensively used for a variety of purposes.

If an internal screw thread is desired, this is provided in a second step.

They are made of either soft plastic or metal that expands while gripping screw threads.

Screw threads are measured either in millimeters or in numbers.

The first machines continually applied force with a spring and screw thread until the tablet started to break.

While I'm gone you stay down here and pick all the metal off the bolt and out of the screw threads.

Another device also called a die is a taps and dies for making screw threads on rod stock.

A screw thread driven by the piston engaged with the engine, turning it over.

British Standard Brass is an imperial unit based screw thread.

The tractor rides on two rotating pontoons fitted with screw threads.

By common convention, right-handedness is the default handedness for screw threads.

Throughout the 1930s, Flanders served as chairman of the Screw-Thread Committee of the American Standards Association.

The Hartness Screw-Thread Comparator was his crowning achievement in the profitability of J&L.

Though the screw-thread provide for very large angular rotation, the front legs are capable of rotating by 90 , while their hind legs can rotate by 130 .

The Hartness Screw-Thread Comparator was for many years a profitable product for the Jones and Lamson Machine Company, of which he was president.

The information came down the chain of command to the armourer, who stepped forward, wheezing and chuckling, gave Jack a handkerchief full of spikes, all with an internal screw-thread tapped into the thick end and all glistening with sweet oil. '