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Threads, Fasteners and Springs
A screw thread is a ridge of uniform section in the form of a helix on the external or internal surface of a cylinder.
True
Correct Answer:
True
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Threads, Fasteners and Springs
The axis of a screw is the longitudinal centerline through the screw.
A Class 3 fit is exceptionally high quality and recommended only when high cost of precision is warranted.
The root is the top surface joining the two sides of a thread.
Thread length, finish, and proportions are some of the standard characteristics of bolts and nuts.
Doubled threads are composed of two or more ridges running side by side.
The form of a thread is the cross section of the thread cut by a plane containing the axis.
Pitch is equal to 12 divided by the number of threads per inch.
Multiple threads are composed of one ridge, and the lead is equal to the pitch.
Rivets are not considered permanent fasteners.
An internal thread is a thread on the outside of a member.
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