The square thread form is a common thread form for leadscrews. It gets its name from the square cross-section of the thread.
Read more about Square Thread Form: Advantages & Disadvantages, Classification
Famous quotes containing the words square, thread and/or form:
“Interpreting the dance: young women in white dancing in a ring can only be virgins; old women in black dancing in a ring can only be witches; but middle-aged women in colors, square dancing...?”
—Mason Cooley (b. 1927)
“We construct a narrative for ourselves, and that’s the thread that we follow from one day to the next. People who disintegrate as personalities are the ones who lose that thread.”
—Paul Auster (b. 1947)
“Now only a dent in the earth marks the site of these dwellings, with buried cellar stones, and strawberries, raspberries, thimble-berries, hazel-bushes, and sumachs growing in the sunny sward there.... These cellar dents, like deserted fox burrows, old holes, are all that is left where once were the stir and bustle of human life, and “fate, free will, foreknowledge absolute,” in some form and dialect or other were by turns discussed.”
—Henry David Thoreau (1817–1862)