Fundamental triangle Per ASME B1.7-2006 Definitions [ back to main page ]
Fundamental triangle: a triangle from which the shape and dimensions of the basic thread profile may be defined by the application of truncations at the thread crest and root. The corners of this triangle coincide with the three consecutive intercepts of the extended flanks of the basic profile.
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