Thread Form
NPT and NPS threads have a 60° included angle and have a Sellers thread form (flattened peaks and valleys).
Read more about this topic: National Pipe Thread
Famous quotes containing the words thread and/or form:
“I often wish for the end of the wretched remnant of my life; and that wish is a rational one; but then the innate principle of self-preservation, wisely implanted in our natures, for obvious purposes, opposes that wish, and makes us endeavour to spin out our thread as long as we can, however decayed and rotten it may be.”
—Philip Dormer Stanhope, 4th Earl Chesterfield (1694–1773)
“To the United States the Third World often takes the form of a black woman who has been made pregnant in a moment of passion and who shows up one day in the reception room on the forty-ninth floor threatening to make a scene. The lawyers pay the woman off; sometimes uniformed guards accompany her to the elevators.”
—Lewis H. Lapham (b. 1935)