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:
“Oh sure, everyone goes back to the earth at some point, but life itself is a thread that is never broken, never lost. Do you know why? Because each man makes a knot in the thread during his lifetime: it is the work he has done and thats what gives life to life in the long stretch of time: the usefulness of man on this earth.”
—Jacques Roumain (19071945)
“A novel which survives, which withstands and outlives time, does do something more than merely survive. It does not stand still. It accumulates round itself the understanding of all these persons who bring to it something of their own. It acquires associations, it becomes a form of experience in itself, so that two people who meet can often make friends, find an approach to each other, because of this one great common experience they have had ...”
—Elizabeth Bowen (18991973)