screw thread


  • WordNet 3.6
    • n screw thread the raised helical rib going around a screw
    • ***
Webster's Revised Unabridged Dictionary
    • Screw thread the spiral rib which forms a screw.
    • ***


In literature:

An electric thread puts it in communication with the screw, and the needle indicates the real speed.
"Twenty Thousand Leagues under the Sea" by Jules Verne
The two heads are four inches in length, one inch of which is provided with a screw thread.
"Scientific American Supplement, No. 514, November 7, 1885" by Various
On the top (which must be screw-threaded) is screwed an ordinary gas pipe end.
"Trees, Fruits and Flowers of Minnesota, 1916" by Various
The screw-thread is then to be cleaned out, and the new vent-plug screwed in.
"Ordnance Instructions for the United States Navy." by Bureau of Ordnance, USN
Peter could skate and cycle, thread needles and untie knots, smoke a cigarette and string beads, screw in nails and unlock locks.
"The Outline of Science, Vol. 1 (of 4)" by J. Arthur Thomson
Drawing the curves for screw threads, 159. to scale, making a, 177.
"Mechanical Drawing Self-Taught" by Joshua Rose
We heated the shafts and sprockets, melted cement into the threads, and screwed them together again.
"The Early History of the Airplane" by Orville Wright
The thread on such a screw-eye will be about 1/2 in.
"How Two Boys Made Their Own Electrical Apparatus" by Thomas M. (Thomas Matthew) St. John
This spindle has a screw thread on it engaging with a collar, B.
"How it Works" by Archibald Williams
If the threads are 1/32 inch apart, then the screw will move 1/32 inch every time it revolves.
"Boys' Book of Model Boats" by Raymond Francis Yates

In news:

Lift efficiency is also aided by the Brute 's ball screw design, which reduces friction with ball bearings that roll through the threads on the Brute 's shaft and nut.
A jarring package, in addition to the jar , contains the lid, which itself contains a rubberized ring that seals against the rim of the jar , and another ring, to be screwed onto the jar 's threaded neck to hold the lid in place.
They can provide reliable and reusable threads at half the price of standard metal inserts and offer twice the torque-out strength of thread -forming screws without the associated cross- threading risks during installation.
The hardware is available in multiple screw lengths with thread sizes from #4-40 through #10-32 and M3 through M5.
Thread whirling attachments installed on this bone screw maker's Swiss screw machines prove to be just the right prescription for the company's mix of screw sizes and run quantities.
The first few "serious" tasks you learn when you get more involved in the hobby is drilling holes and cutting threads in these holes to accept screws, bolts and other threaded fixtures.
Using a tap of the correct "thread-per-inch" is easy enough simply by placing your screw or bolt against the tap.
Push-pull coupling connectors attach up to 10 times faster than a traditional screw thread mechanism.
Plastic or metal storage couplings that are screwed onto a stored tubing string, protecting the threads from impact and sometimes corrosion.
They are available as direct-acting screw-in cartridges with an M27x2 or ¾-16 UNF mounting thread, and as ISO size 3 and 5 sandwich valves.
Use a ratchet to thread each rim screw into its respective hole.
If you need to insert a screw in a hard-to-reach area on the chassis and there isn't any room to hold the screw with your fingers while you thread it in, apply a little grease to the tip of the screwdriver.
KWIK HUS and KWIK HUS-EZ screw anchors feature an optimized thread design for enhanced setting performance and are suitable for repetitive installations, such as glazing, racking, and ledgers.
A wider shank means the screw threads can be more aggressive.
Everyone knows you should thread -lock the screws that thread into metal in nitro cars.

In science:

The entire bracket assembly is mounted on Bosch-Rexroth flexureresistant rails which allows 20-30 mm of focus movement using a fine-thread screw.
A New High Contrast Imaging Program at Palomar Observatory