American standard screw thread

American standard screw thread

[ə′mer·ə·kən ′stan·dərd ′skrü ‚thred]
(design engineering)
Screw thread whose dimensions conform to those of a particular series of specified sizes established as a standard in the United States; used for bolts, nuts, and machine screws.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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