Designations:symbols associated with screw threads are of two kinds. Dimensional symbols: letter symbols for the designating dimensions of screw threads and threaded products. These are standard alpha numeric symbols to designate the dimensions of screw threads in text. Thread designation: abbreviations used as designations for various standard thread forms, thread series, and feature designations for use on drawings. Thread series designations are capital letter abbreviations of names used on drawings, in tables, and otherwise to designate various forms of thread and thread series. They commonly consist of combinations of such abbreviations for various standard threads. Symbols and designations
Original Posting: 3/20/2012
Last Revision:
Error corrections in, or comments about, the above data can be sent to: office@gagecrib.com
Gage Crib Worldwide, Inc.
6701 Old 28th St SE, Suite B
Grand Rapids, MI 49546-6937
Phone: 001-616-954-6581 • Fax: 001-616-954-6583 CONTACT FORMS & INFO