Addendum: the addendum of an eternal thread is the radial distance between the major and pitch cylinders or cones, respectively. The addendum of an internal thread is the radial distance between the minor and pitch cylinders or cones, respectively. This term applies to those threads having a recognized pitch cylinder or pitch cone.
Original Posting: 3/19/2012
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